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linux/drivers/net/wireless/ray_cs.c
Jeff Garzik bbeec90b98 [wireless] build fixes after merging WE-19
2005-09-07 00:27:54 -04:00

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/*=============================================================================
*
* A PCMCIA client driver for the Raylink wireless LAN card.
* The starting point for this module was the skeleton.c in the
* PCMCIA 2.9.12 package written by David Hinds, dahinds@users.sourceforge.net
*
*
* Copyright (c) 1998 Corey Thomas (corey@world.std.com)
*
* This driver is free software; you can redistribute it and/or modify
* it under the terms of version 2 only of the GNU General Public License as
* published by the Free Software Foundation.
*
* It is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
* Changes:
* Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 08/08/2000
* - reorganize kmallocs in ray_attach, checking all for failure
* and releasing the previous allocations if one fails
*
* Daniele Bellucci <bellucda@tiscali.it> - 07/10/2003
* - Audit copy_to_user in ioctl(SIOCGIWESSID)
*
=============================================================================*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/proc_fs.h>
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <linux/ioport.h>
#include <linux/skbuff.h>
#include <linux/ethtool.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>
#include <pcmcia/mem_op.h>
#include <net/ieee80211.h>
#include <linux/wireless.h>
#include <asm/io.h>
#include <asm/system.h>
#include <asm/byteorder.h>
#include <asm/uaccess.h>
/* Warning : these stuff will slow down the driver... */
#define WIRELESS_SPY /* Enable spying addresses */
/* Definitions we need for spy */
typedef struct iw_statistics iw_stats;
typedef u_char mac_addr[ETH_ALEN]; /* Hardware address */
#include "rayctl.h"
#include "ray_cs.h"
/* All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If
you do not define PCMCIA_DEBUG at all, all the debug code will be
left out. If you compile with PCMCIA_DEBUG=0, the debug code will
be present but disabled -- but it can then be enabled for specific
modules at load time with a 'pc_debug=#' option to insmod.
*/
#ifdef RAYLINK_DEBUG
#define PCMCIA_DEBUG RAYLINK_DEBUG
#endif
#ifdef PCMCIA_DEBUG
static int ray_debug;
static int pc_debug = PCMCIA_DEBUG;
module_param(pc_debug, int, 0);
/* #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args); */
#define DEBUG(n, args...) if (pc_debug>(n)) printk(args);
#else
#define DEBUG(n, args...)
#endif
/** Prototypes based on PCMCIA skeleton driver *******************************/
static void ray_config(dev_link_t *link);
static void ray_release(dev_link_t *link);
static int ray_event(event_t event, int priority, event_callback_args_t *args);
static dev_link_t *ray_attach(void);
static void ray_detach(dev_link_t *);
/***** Prototypes indicated by device structure ******************************/
static int ray_dev_close(struct net_device *dev);
static int ray_dev_config(struct net_device *dev, struct ifmap *map);
static struct net_device_stats *ray_get_stats(struct net_device *dev);
static int ray_dev_init(struct net_device *dev);
static struct ethtool_ops netdev_ethtool_ops;
static int ray_open(struct net_device *dev);
static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev);
static void set_multicast_list(struct net_device *dev);
static void ray_update_multi_list(struct net_device *dev, int all);
static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx,
unsigned char *data, int len);
static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, UCHAR msg_type,
unsigned char *data);
static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len);
static iw_stats * ray_get_wireless_stats(struct net_device * dev);
static const struct iw_handler_def ray_handler_def;
/***** Prototypes for raylink functions **************************************/
static int asc_to_int(char a);
static void authenticate(ray_dev_t *local);
static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type);
static void authenticate_timeout(u_long);
static int get_free_ccs(ray_dev_t *local);
static int get_free_tx_ccs(ray_dev_t *local);
static void init_startup_params(ray_dev_t *local);
static int parse_addr(char *in_str, UCHAR *out);
static int ray_hw_xmit(unsigned char* data, int len, struct net_device* dev, UCHAR type);
static int ray_init(struct net_device *dev);
static int interrupt_ecf(ray_dev_t *local, int ccs);
static void ray_reset(struct net_device *dev);
static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len);
static void verify_dl_startup(u_long);
/* Prototypes for interrpt time functions **********************************/
static irqreturn_t ray_interrupt (int reg, void *dev_id, struct pt_regs *regs);
static void clear_interrupt(ray_dev_t *local);
static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
unsigned int pkt_addr, int rx_len);
static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len);
static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs);
static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs);
static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
unsigned int pkt_addr, int rx_len);
static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, unsigned int pkt_addr,
int rx_len);
static void associate(ray_dev_t *local);
/* Card command functions */
static int dl_startup_params(struct net_device *dev);
static void join_net(u_long local);
static void start_net(u_long local);
/* void start_net(ray_dev_t *local); */
/*===========================================================================*/
/* Parameters that can be set with 'insmod' */
/* ADHOC=0, Infrastructure=1 */
static int net_type = ADHOC;
/* Hop dwell time in Kus (1024 us units defined by 802.11) */
static int hop_dwell = 128;
/* Beacon period in Kus */
static int beacon_period = 256;
/* power save mode (0 = off, 1 = save power) */
static int psm;
/* String for network's Extended Service Set ID. 32 Characters max */
static char *essid;
/* Default to encapsulation unless translation requested */
static int translate = 1;
static int country = USA;
static int sniffer;
static int bc;
/* 48 bit physical card address if overriding card's real physical
* address is required. Since IEEE 802.11 addresses are 48 bits
* like ethernet, an int can't be used, so a string is used. To
* allow use of addresses starting with a decimal digit, the first
* character must be a letter and will be ignored. This letter is
* followed by up to 12 hex digits which are the address. If less
* than 12 digits are used, the address will be left filled with 0's.
* Note that bit 0 of the first byte is the broadcast bit, and evil
* things will happen if it is not 0 in a card address.
*/
static char *phy_addr = NULL;
/* The dev_info variable is the "key" that is used to match up this
device driver with appropriate cards, through the card configuration
database.
*/
static dev_info_t dev_info = "ray_cs";
/* A linked list of "instances" of the ray device. Each actual
PCMCIA card corresponds to one device instance, and is described
by one dev_link_t structure (defined in ds.h).
*/
static dev_link_t *dev_list = NULL;
/* A dev_link_t structure has fields for most things that are needed
to keep track of a socket, but there will usually be some device
specific information that also needs to be kept track of. The
'priv' pointer in a dev_link_t structure can be used to point to
a device-specific private data structure, like this.
*/
static unsigned int ray_mem_speed = 500;
MODULE_AUTHOR("Corey Thomas <corey@world.std.com>");
MODULE_DESCRIPTION("Raylink/WebGear wireless LAN driver");
MODULE_LICENSE("GPL");
module_param(net_type, int, 0);
module_param(hop_dwell, int, 0);
module_param(beacon_period, int, 0);
module_param(psm, int, 0);
module_param(essid, charp, 0);
module_param(translate, int, 0);
module_param(country, int, 0);
module_param(sniffer, int, 0);
module_param(bc, int, 0);
module_param(phy_addr, charp, 0);
module_param(ray_mem_speed, int, 0);
static UCHAR b5_default_startup_parms[] = {
0, 0, /* Adhoc station */
'L','I','N','U','X', 0, 0, 0, /* 32 char ESSID */
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
1, 0, /* Active scan, CA Mode */
0, 0, 0, 0, 0, 0, /* No default MAC addr */
0x7f, 0xff, /* Frag threshold */
0x00, 0x80, /* Hop time 128 Kus*/
0x01, 0x00, /* Beacon period 256 Kus */
0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout*/
0x1d, 0x82, 0x4e, /* SIFS, DIFS, PIFS */
0x7f, 0xff, /* RTS threshold */
0x04, 0xe2, 0x38, 0xA4, /* scan_dwell, max_scan_dwell */
0x05, /* assoc resp timeout thresh */
0x08, 0x02, 0x08, /* adhoc, infra, super cycle max*/
0, /* Promiscuous mode */
0x0c, 0x0bd, /* Unique word */
0x32, /* Slot time */
0xff, 0xff, /* roam-low snr, low snr count */
0x05, 0xff, /* Infra, adhoc missed bcn thresh */
0x01, 0x0b, 0x4f, /* USA, hop pattern, hop pat length */
/* b4 - b5 differences start here */
0x00, 0x3f, /* CW max */
0x00, 0x0f, /* CW min */
0x04, 0x08, /* Noise gain, limit offset */
0x28, 0x28, /* det rssi, med busy offsets */
7, /* det sync thresh */
0, 2, 2, /* test mode, min, max */
0, /* allow broadcast SSID probe resp */
0, 0, /* privacy must start, can join */
2, 0, 0, 0, 0, 0, 0, 0 /* basic rate set */
};
static UCHAR b4_default_startup_parms[] = {
0, 0, /* Adhoc station */
'L','I','N','U','X', 0, 0, 0, /* 32 char ESSID */
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
1, 0, /* Active scan, CA Mode */
0, 0, 0, 0, 0, 0, /* No default MAC addr */
0x7f, 0xff, /* Frag threshold */
0x02, 0x00, /* Hop time */
0x00, 0x01, /* Beacon period */
0x01, 0x07, 0xa3, /* DTIM, retries, ack timeout*/
0x1d, 0x82, 0xce, /* SIFS, DIFS, PIFS */
0x7f, 0xff, /* RTS threshold */
0xfb, 0x1e, 0xc7, 0x5c, /* scan_dwell, max_scan_dwell */
0x05, /* assoc resp timeout thresh */
0x04, 0x02, 0x4, /* adhoc, infra, super cycle max*/
0, /* Promiscuous mode */
0x0c, 0x0bd, /* Unique word */
0x4e, /* Slot time (TBD seems wrong)*/
0xff, 0xff, /* roam-low snr, low snr count */
0x05, 0xff, /* Infra, adhoc missed bcn thresh */
0x01, 0x0b, 0x4e, /* USA, hop pattern, hop pat length */
/* b4 - b5 differences start here */
0x3f, 0x0f, /* CW max, min */
0x04, 0x08, /* Noise gain, limit offset */
0x28, 0x28, /* det rssi, med busy offsets */
7, /* det sync thresh */
0, 2, 2 /* test mode, min, max*/
};
/*===========================================================================*/
static unsigned char eth2_llc[] = {0xaa, 0xaa, 3, 0, 0, 0};
static char hop_pattern_length[] = { 1,
USA_HOP_MOD, EUROPE_HOP_MOD,
JAPAN_HOP_MOD, KOREA_HOP_MOD,
SPAIN_HOP_MOD, FRANCE_HOP_MOD,
ISRAEL_HOP_MOD, AUSTRALIA_HOP_MOD,
JAPAN_TEST_HOP_MOD
};
static char rcsid[] = "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>";
/*=============================================================================
ray_attach() creates an "instance" of the driver, allocating
local data structures for one device. The device is registered
with Card Services.
The dev_link structure is initialized, but we don't actually
configure the card at this point -- we wait until we receive a
card insertion event.
=============================================================================*/
static dev_link_t *ray_attach(void)
{
client_reg_t client_reg;
dev_link_t *link;
ray_dev_t *local;
int ret;
struct net_device *dev;
DEBUG(1, "ray_attach()\n");
/* Initialize the dev_link_t structure */
link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);
if (!link)
return NULL;
/* Allocate space for private device-specific data */
dev = alloc_etherdev(sizeof(ray_dev_t));
if (!dev)
goto fail_alloc_dev;
local = dev->priv;
memset(link, 0, sizeof(struct dev_link_t));
/* The io structure describes IO port mapping. None used here */
link->io.NumPorts1 = 0;
link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
link->io.IOAddrLines = 5;
/* Interrupt setup. For PCMCIA, driver takes what's given */
link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
link->irq.IRQInfo1 = IRQ_LEVEL_ID;
link->irq.Handler = &ray_interrupt;
/* General socket configuration */
link->conf.Attributes = CONF_ENABLE_IRQ;
link->conf.Vcc = 50;
link->conf.IntType = INT_MEMORY_AND_IO;
link->conf.ConfigIndex = 1;
link->conf.Present = PRESENT_OPTION;
link->priv = dev;
link->irq.Instance = dev;
local->finder = link;
local->card_status = CARD_INSERTED;
local->authentication_state = UNAUTHENTICATED;
local->num_multi = 0;
DEBUG(2,"ray_attach link = %p, dev = %p, local = %p, intr = %p\n",
link,dev,local,&ray_interrupt);
/* Raylink entries in the device structure */
dev->hard_start_xmit = &ray_dev_start_xmit;
dev->set_config = &ray_dev_config;
dev->get_stats = &ray_get_stats;
SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
dev->wireless_handlers = &ray_handler_def;
#ifdef WIRELESS_SPY
local->wireless_data.spy_data = &local->spy_data;
dev->wireless_data = &local->wireless_data;
#endif /* WIRELESS_SPY */
dev->set_multicast_list = &set_multicast_list;
DEBUG(2,"ray_cs ray_attach calling ether_setup.)\n");
SET_MODULE_OWNER(dev);
dev->init = &ray_dev_init;
dev->open = &ray_open;
dev->stop = &ray_dev_close;
netif_stop_queue(dev);
/* Register with Card Services */
link->next = dev_list;
dev_list = link;
client_reg.dev_info = &dev_info;
client_reg.Version = 0x0210;
client_reg.event_callback_args.client_data = link;
DEBUG(2,"ray_cs ray_attach calling pcmcia_register_client(...)\n");
init_timer(&local->timer);
ret = pcmcia_register_client(&link->handle, &client_reg);
if (ret != 0) {
printk("ray_cs ray_attach RegisterClient unhappy - detaching\n");
cs_error(link->handle, RegisterClient, ret);
ray_detach(link);
return NULL;
}
DEBUG(2,"ray_cs ray_attach ending\n");
return link;
fail_alloc_dev:
kfree(link);
return NULL;
} /* ray_attach */
/*=============================================================================
This deletes a driver "instance". The device is de-registered
with Card Services. If it has been released, all local data
structures are freed. Otherwise, the structures will be freed
when the device is released.
=============================================================================*/
static void ray_detach(dev_link_t *link)
{
dev_link_t **linkp;
DEBUG(1, "ray_detach(0x%p)\n", link);
/* Locate device structure */
for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
if (*linkp == link) break;
if (*linkp == NULL)
return;
/* If the device is currently configured and active, we won't
actually delete it yet. Instead, it is marked so that when
the release() function is called, that will trigger a proper
detach().
*/
if (link->state & DEV_CONFIG)
ray_release(link);
/* Break the link with Card Services */
if (link->handle)
pcmcia_deregister_client(link->handle);
/* Unlink device structure, free pieces */
*linkp = link->next;
if (link->priv) {
struct net_device *dev = link->priv;
if (link->dev) unregister_netdev(dev);
free_netdev(dev);
}
kfree(link);
DEBUG(2,"ray_cs ray_detach ending\n");
} /* ray_detach */
/*=============================================================================
ray_config() is run after a CARD_INSERTION event
is received, to configure the PCMCIA socket, and to make the
ethernet device available to the system.
=============================================================================*/
#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
#define MAX_TUPLE_SIZE 128
static void ray_config(dev_link_t *link)
{
client_handle_t handle = link->handle;
tuple_t tuple;
cisparse_t parse;
int last_fn = 0, last_ret = 0;
int i;
u_char buf[MAX_TUPLE_SIZE];
win_req_t req;
memreq_t mem;
struct net_device *dev = (struct net_device *)link->priv;
ray_dev_t *local = (ray_dev_t *)dev->priv;
DEBUG(1, "ray_config(0x%p)\n", link);
/* This reads the card's CONFIG tuple to find its configuration regs */
tuple.DesiredTuple = CISTPL_CONFIG;
CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
tuple.TupleData = buf;
tuple.TupleDataMax = MAX_TUPLE_SIZE;
tuple.TupleOffset = 0;
CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
link->conf.ConfigBase = parse.config.base;
link->conf.Present = parse.config.rmask[0];
/* Determine card type and firmware version */
buf[0] = buf[MAX_TUPLE_SIZE - 1] = 0;
tuple.DesiredTuple = CISTPL_VERS_1;
CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
tuple.TupleData = buf;
tuple.TupleDataMax = MAX_TUPLE_SIZE;
tuple.TupleOffset = 2;
CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
for (i=0; i<tuple.TupleDataLen - 4; i++)
if (buf[i] == 0) buf[i] = ' ';
printk(KERN_INFO "ray_cs Detected: %s\n",buf);
/* Configure card */
link->state |= DEV_CONFIG;
/* Now allocate an interrupt line. Note that this does not
actually assign a handler to the interrupt.
*/
CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq));
dev->irq = link->irq.AssignedIRQ;
/* This actually configures the PCMCIA socket -- setting up
the I/O windows and the interrupt mapping.
*/
CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf));
/*** Set up 32k window for shared memory (transmit and control) ************/
req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
req.Base = 0;
req.Size = 0x8000;
req.AccessSpeed = ray_mem_speed;
CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &link->win));
mem.CardOffset = 0x0000; mem.Page = 0;
CS_CHECK(MapMemPage, pcmcia_map_mem_page(link->win, &mem));
local->sram = ioremap(req.Base,req.Size);
/*** Set up 16k window for shared memory (receive buffer) ***************/
req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
req.Base = 0;
req.Size = 0x4000;
req.AccessSpeed = ray_mem_speed;
CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &local->rmem_handle));
mem.CardOffset = 0x8000; mem.Page = 0;
CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->rmem_handle, &mem));
local->rmem = ioremap(req.Base,req.Size);
/*** Set up window for attribute memory ***********************************/
req.Attributes = WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT;
req.Base = 0;
req.Size = 0x1000;
req.AccessSpeed = ray_mem_speed;
CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &local->amem_handle));
mem.CardOffset = 0x0000; mem.Page = 0;
CS_CHECK(MapMemPage, pcmcia_map_mem_page(local->amem_handle, &mem));
local->amem = ioremap(req.Base,req.Size);
DEBUG(3,"ray_config sram=%p\n",local->sram);
DEBUG(3,"ray_config rmem=%p\n",local->rmem);
DEBUG(3,"ray_config amem=%p\n",local->amem);
if (ray_init(dev) < 0) {
ray_release(link);
return;
}
SET_NETDEV_DEV(dev, &handle_to_dev(handle));
i = register_netdev(dev);
if (i != 0) {
printk("ray_config register_netdev() failed\n");
ray_release(link);
return;
}
strcpy(local->node.dev_name, dev->name);
link->dev = &local->node;
link->state &= ~DEV_CONFIG_PENDING;
printk(KERN_INFO "%s: RayLink, irq %d, hw_addr ",
dev->name, dev->irq);
for (i = 0; i < 6; i++)
printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n"));
return;
cs_failed:
cs_error(link->handle, last_fn, last_ret);
ray_release(link);
} /* ray_config */
static inline struct ccs __iomem *ccs_base(ray_dev_t *dev)
{
return dev->sram + CCS_BASE;
}
static inline struct rcs __iomem *rcs_base(ray_dev_t *dev)
{
/*
* This looks nonsensical, since there is a separate
* RCS_BASE. But the difference between a "struct rcs"
* and a "struct ccs" ends up being in the _index_ off
* the base, so the base pointer is the same for both
* ccs/rcs.
*/
return dev->sram + CCS_BASE;
}
/*===========================================================================*/
static int ray_init(struct net_device *dev)
{
int i;
UCHAR *p;
struct ccs __iomem *pccs;
ray_dev_t *local = (ray_dev_t *)dev->priv;
dev_link_t *link = local->finder;
DEBUG(1, "ray_init(0x%p)\n", dev);
if (!(link->state & DEV_PRESENT)) {
DEBUG(0,"ray_init - device not present\n");
return -1;
}
local->net_type = net_type;
local->sta_type = TYPE_STA;
/* Copy the startup results to local memory */
memcpy_fromio(&local->startup_res, local->sram + ECF_TO_HOST_BASE,\
sizeof(struct startup_res_6));
/* Check Power up test status and get mac address from card */
if (local->startup_res.startup_word != 0x80) {
printk(KERN_INFO "ray_init ERROR card status = %2x\n",
local->startup_res.startup_word);
local->card_status = CARD_INIT_ERROR;
return -1;
}
local->fw_ver = local->startup_res.firmware_version[0];
local->fw_bld = local->startup_res.firmware_version[1];
local->fw_var = local->startup_res.firmware_version[2];
DEBUG(1,"ray_init firmware version %d.%d \n",local->fw_ver, local->fw_bld);
local->tib_length = 0x20;
if ((local->fw_ver == 5) && (local->fw_bld >= 30))
local->tib_length = local->startup_res.tib_length;
DEBUG(2,"ray_init tib_length = 0x%02x\n", local->tib_length);
/* Initialize CCS's to buffer free state */
pccs = ccs_base(local);
for (i=0; i<NUMBER_OF_CCS; i++) {
writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
}
init_startup_params(local);
/* copy mac address to startup parameters */
if (parse_addr(phy_addr, local->sparm.b4.a_mac_addr))
{
p = local->sparm.b4.a_mac_addr;
}
else
{
memcpy(&local->sparm.b4.a_mac_addr,
&local->startup_res.station_addr, ADDRLEN);
p = local->sparm.b4.a_mac_addr;
}
clear_interrupt(local); /* Clear any interrupt from the card */
local->card_status = CARD_AWAITING_PARAM;
DEBUG(2,"ray_init ending\n");
return 0;
} /* ray_init */
/*===========================================================================*/
/* Download startup parameters to the card and command it to read them */
static int dl_startup_params(struct net_device *dev)
{
int ccsindex;
ray_dev_t *local = (ray_dev_t *)dev->priv;
struct ccs __iomem *pccs;
dev_link_t *link = local->finder;
DEBUG(1,"dl_startup_params entered\n");
if (!(link->state & DEV_PRESENT)) {
DEBUG(2,"ray_cs dl_startup_params - device not present\n");
return -1;
}
/* Copy parameters to host to ECF area */
if (local->fw_ver == 0x55)
memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b4,
sizeof(struct b4_startup_params));
else
memcpy_toio(local->sram + HOST_TO_ECF_BASE, &local->sparm.b5,
sizeof(struct b5_startup_params));
/* Fill in the CCS fields for the ECF */
if ((ccsindex = get_free_ccs(local)) < 0) return -1;
local->dl_param_ccs = ccsindex;
pccs = ccs_base(local) + ccsindex;
writeb(CCS_DOWNLOAD_STARTUP_PARAMS, &pccs->cmd);
DEBUG(2,"dl_startup_params start ccsindex = %d\n", local->dl_param_ccs);
/* Interrupt the firmware to process the command */
if (interrupt_ecf(local, ccsindex)) {
printk(KERN_INFO "ray dl_startup_params failed - "
"ECF not ready for intr\n");
local->card_status = CARD_DL_PARAM_ERROR;
writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
return -2;
}
local->card_status = CARD_DL_PARAM;
/* Start kernel timer to wait for dl startup to complete. */
local->timer.expires = jiffies + HZ/2;
local->timer.data = (long)local;
local->timer.function = &verify_dl_startup;
add_timer(&local->timer);
DEBUG(2,"ray_cs dl_startup_params started timer for verify_dl_startup\n");
return 0;
} /* dl_startup_params */
/*===========================================================================*/
static void init_startup_params(ray_dev_t *local)
{
int i;
if (country > JAPAN_TEST) country = USA;
else
if (country < USA) country = USA;
/* structure for hop time and beacon period is defined here using
* New 802.11D6.1 format. Card firmware is still using old format
* until version 6.
* Before After
* a_hop_time ms byte a_hop_time ms byte
* a_hop_time 2s byte a_hop_time ls byte
* a_hop_time ls byte a_beacon_period ms byte
* a_beacon_period a_beacon_period ls byte
*
* a_hop_time = uS a_hop_time = KuS
* a_beacon_period = hops a_beacon_period = KuS
*/ /* 64ms = 010000 */
if (local->fw_ver == 0x55) {
memcpy((UCHAR *)&local->sparm.b4, b4_default_startup_parms,
sizeof(struct b4_startup_params));
/* Translate sane kus input values to old build 4/5 format */
/* i = hop time in uS truncated to 3 bytes */
i = (hop_dwell * 1024) & 0xffffff;
local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff;
local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff;
local->sparm.b4.a_beacon_period[0] = 0;
local->sparm.b4.a_beacon_period[1] =
((beacon_period/hop_dwell) - 1) & 0xff;
local->sparm.b4.a_curr_country_code = country;
local->sparm.b4.a_hop_pattern_length =
hop_pattern_length[(int)country] - 1;
if (bc)
{
local->sparm.b4.a_ack_timeout = 0x50;
local->sparm.b4.a_sifs = 0x3f;
}
}
else { /* Version 5 uses real kus values */
memcpy((UCHAR *)&local->sparm.b5, b5_default_startup_parms,
sizeof(struct b5_startup_params));
local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff;
local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff;
local->sparm.b5.a_beacon_period[0] = (beacon_period >> 8) & 0xff;
local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff;
if (psm)
local->sparm.b5.a_power_mgt_state = 1;
local->sparm.b5.a_curr_country_code = country;
local->sparm.b5.a_hop_pattern_length =
hop_pattern_length[(int)country];
}
local->sparm.b4.a_network_type = net_type & 0x01;
local->sparm.b4.a_acting_as_ap_status = TYPE_STA;
if (essid != NULL)
strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
} /* init_startup_params */
/*===========================================================================*/
static void verify_dl_startup(u_long data)
{
ray_dev_t *local = (ray_dev_t *)data;
struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs;
UCHAR status;
dev_link_t *link = local->finder;
if (!(link->state & DEV_PRESENT)) {
DEBUG(2,"ray_cs verify_dl_startup - device not present\n");
return;
}
#ifdef PCMCIA_DEBUG
if (pc_debug > 2) {
int i;
printk(KERN_DEBUG "verify_dl_startup parameters sent via ccs %d:\n",
local->dl_param_ccs);
for (i=0; i<sizeof(struct b5_startup_params); i++) {
printk(" %2x", (unsigned int) readb(local->sram + HOST_TO_ECF_BASE + i));
}
printk("\n");
}
#endif
status = readb(&pccs->buffer_status);
if (status!= CCS_BUFFER_FREE)
{
printk(KERN_INFO "Download startup params failed. Status = %d\n",
status);
local->card_status = CARD_DL_PARAM_ERROR;
return;
}
if (local->sparm.b4.a_network_type == ADHOC)
start_net((u_long)local);
else
join_net((u_long)local);
return;
} /* end verify_dl_startup */
/*===========================================================================*/
/* Command card to start a network */
static void start_net(u_long data)
{
ray_dev_t *local = (ray_dev_t *)data;
struct ccs __iomem *pccs;
int ccsindex;
dev_link_t *link = local->finder;
if (!(link->state & DEV_PRESENT)) {
DEBUG(2,"ray_cs start_net - device not present\n");
return;
}
/* Fill in the CCS fields for the ECF */
if ((ccsindex = get_free_ccs(local)) < 0) return;
pccs = ccs_base(local) + ccsindex;
writeb(CCS_START_NETWORK, &pccs->cmd);
writeb(0, &pccs->var.start_network.update_param);
/* Interrupt the firmware to process the command */
if (interrupt_ecf(local, ccsindex)) {
DEBUG(1,"ray start net failed - card not ready for intr\n");
writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
return;
}
local->card_status = CARD_DOING_ACQ;
return;
} /* end start_net */
/*===========================================================================*/
/* Command card to join a network */
static void join_net(u_long data)
{
ray_dev_t *local = (ray_dev_t *)data;
struct ccs __iomem *pccs;
int ccsindex;
dev_link_t *link = local->finder;
if (!(link->state & DEV_PRESENT)) {
DEBUG(2,"ray_cs join_net - device not present\n");
return;
}
/* Fill in the CCS fields for the ECF */
if ((ccsindex = get_free_ccs(local)) < 0) return;
pccs = ccs_base(local) + ccsindex;
writeb(CCS_JOIN_NETWORK, &pccs->cmd);
writeb(0, &pccs->var.join_network.update_param);
writeb(0, &pccs->var.join_network.net_initiated);
/* Interrupt the firmware to process the command */
if (interrupt_ecf(local, ccsindex)) {
DEBUG(1,"ray join net failed - card not ready for intr\n");
writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
return;
}
local->card_status = CARD_DOING_ACQ;
return;
}
/*============================================================================
After a card is removed, ray_release() will unregister the net
device, and release the PCMCIA configuration. If the device is
still open, this will be postponed until it is closed.
=============================================================================*/
static void ray_release(dev_link_t *link)
{
struct net_device *dev = link->priv;
ray_dev_t *local = dev->priv;
int i;
DEBUG(1, "ray_release(0x%p)\n", link);
del_timer(&local->timer);
link->state &= ~DEV_CONFIG;
iounmap(local->sram);
iounmap(local->rmem);
iounmap(local->amem);
/* Do bother checking to see if these succeed or not */
i = pcmcia_release_window(link->win);
if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseWindow(link->win) ret = %x\n",i);
i = pcmcia_release_window(local->amem_handle);
if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseWindow(local->amem) ret = %x\n",i);
i = pcmcia_release_window(local->rmem_handle);
if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseWindow(local->rmem) ret = %x\n",i);
i = pcmcia_release_configuration(link->handle);
if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseConfiguration ret = %x\n",i);
i = pcmcia_release_irq(link->handle, &link->irq);
if ( i != CS_SUCCESS ) DEBUG(0,"ReleaseIRQ ret = %x\n",i);
DEBUG(2,"ray_release ending\n");
}
/*=============================================================================
The card status event handler. Mostly, this schedules other
stuff to run after an event is received. A CARD_REMOVAL event
also sets some flags to discourage the net drivers from trying
to talk to the card any more.
When a CARD_REMOVAL event is received, we immediately set a flag
to block future accesses to this device. All the functions that
actually access the device should check this flag to make sure
the card is still present.
=============================================================================*/
static int ray_event(event_t event, int priority,
event_callback_args_t *args)
{
dev_link_t *link = args->client_data;
struct net_device *dev = link->priv;
ray_dev_t *local = (ray_dev_t *)dev->priv;
DEBUG(1, "ray_event(0x%06x)\n", event);
switch (event) {
case CS_EVENT_CARD_REMOVAL:
link->state &= ~DEV_PRESENT;
netif_device_detach(dev);
if (link->state & DEV_CONFIG) {
ray_release(link);
del_timer(&local->timer);
}
break;
case CS_EVENT_CARD_INSERTION:
link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
ray_config(link);
break;
case CS_EVENT_PM_SUSPEND:
link->state |= DEV_SUSPEND;
/* Fall through... */
case CS_EVENT_RESET_PHYSICAL:
if (link->state & DEV_CONFIG) {
if (link->open)
netif_device_detach(dev);
pcmcia_release_configuration(link->handle);
}
break;
case CS_EVENT_PM_RESUME:
link->state &= ~DEV_SUSPEND;
/* Fall through... */
case CS_EVENT_CARD_RESET:
if (link->state & DEV_CONFIG) {
pcmcia_request_configuration(link->handle, &link->conf);
if (link->open) {
ray_reset(dev);
netif_device_attach(dev);
}
}
break;
}
return 0;
DEBUG(2,"ray_event ending\n");
} /* ray_event */
/*===========================================================================*/
int ray_dev_init(struct net_device *dev)
{
#ifdef RAY_IMMEDIATE_INIT
int i;
#endif /* RAY_IMMEDIATE_INIT */
ray_dev_t *local = dev->priv;
dev_link_t *link = local->finder;
DEBUG(1,"ray_dev_init(dev=%p)\n",dev);
if (!(link->state & DEV_PRESENT)) {
DEBUG(2,"ray_dev_init - device not present\n");
return -1;
}
#ifdef RAY_IMMEDIATE_INIT
/* Download startup parameters */
if ( (i = dl_startup_params(dev)) < 0)
{
printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
"returns 0x%x\n",i);
return -1;
}
#else /* RAY_IMMEDIATE_INIT */
/* Postpone the card init so that we can still configure the card,
* for example using the Wireless Extensions. The init will happen
* in ray_open() - Jean II */
DEBUG(1,"ray_dev_init: postponing card init to ray_open() ; Status = %d\n",
local->card_status);
#endif /* RAY_IMMEDIATE_INIT */
/* copy mac and broadcast addresses to linux device */
memcpy(&dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN);
memset(dev->broadcast, 0xff, ETH_ALEN);
DEBUG(2,"ray_dev_init ending\n");
return 0;
}
/*===========================================================================*/
static int ray_dev_config(struct net_device *dev, struct ifmap *map)
{
ray_dev_t *local = dev->priv;
dev_link_t *link = local->finder;
/* Dummy routine to satisfy device structure */
DEBUG(1,"ray_dev_config(dev=%p,ifmap=%p)\n",dev,map);
if (!(link->state & DEV_PRESENT)) {
DEBUG(2,"ray_dev_config - device not present\n");
return -1;
}
return 0;
}
/*===========================================================================*/
static int ray_dev_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
ray_dev_t *local = dev->priv;
dev_link_t *link = local->finder;
short length = skb->len;
if (!(link->state & DEV_PRESENT)) {
DEBUG(2,"ray_dev_start_xmit - device not present\n");
return -1;
}
DEBUG(3,"ray_dev_start_xmit(skb=%p, dev=%p)\n",skb,dev);
if (local->authentication_state == NEED_TO_AUTH) {
DEBUG(0,"ray_cs Sending authentication request.\n");
if (!build_auth_frame (local, local->auth_id, OPEN_AUTH_REQUEST)) {
local->authentication_state = AUTHENTICATED;
netif_stop_queue(dev);
return 1;
}
}
if (length < ETH_ZLEN)
{
skb = skb_padto(skb, ETH_ZLEN);
if (skb == NULL)
return 0;
length = ETH_ZLEN;
}
switch (ray_hw_xmit( skb->data, length, dev, DATA_TYPE)) {
case XMIT_NO_CCS:
case XMIT_NEED_AUTH:
netif_stop_queue(dev);
return 1;
case XMIT_NO_INTR:
case XMIT_MSG_BAD:
case XMIT_OK:
default:
dev->trans_start = jiffies;
dev_kfree_skb(skb);
return 0;
}
return 0;
} /* ray_dev_start_xmit */
/*===========================================================================*/
static int ray_hw_xmit(unsigned char* data, int len, struct net_device* dev,
UCHAR msg_type)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
struct ccs __iomem *pccs;
int ccsindex;
int offset;
struct tx_msg __iomem *ptx; /* Address of xmit buffer in PC space */
short int addr; /* Address of xmit buffer in card space */
DEBUG(3,"ray_hw_xmit(data=%p, len=%d, dev=%p)\n",data,len,dev);
if (len + TX_HEADER_LENGTH > TX_BUF_SIZE)
{
printk(KERN_INFO "ray_hw_xmit packet too large: %d bytes\n",len);
return XMIT_MSG_BAD;
}
switch (ccsindex = get_free_tx_ccs(local)) {
case ECCSBUSY:
DEBUG(2,"ray_hw_xmit tx_ccs table busy\n");
case ECCSFULL:
DEBUG(2,"ray_hw_xmit No free tx ccs\n");
case ECARDGONE:
netif_stop_queue(dev);
return XMIT_NO_CCS;
default:
break;
}
addr = TX_BUF_BASE + (ccsindex << 11);
if (msg_type == DATA_TYPE) {
local->stats.tx_bytes += len;
local->stats.tx_packets++;
}
ptx = local->sram + addr;
ray_build_header(local, ptx, msg_type, data);
if (translate) {
offset = translate_frame(local, ptx, data, len);
}
else { /* Encapsulate frame */
/* TBD TIB length will move address of ptx->var */
memcpy_toio(&ptx->var, data, len);
offset = 0;
}
/* fill in the CCS */
pccs = ccs_base(local) + ccsindex;
len += TX_HEADER_LENGTH + offset;
writeb(CCS_TX_REQUEST, &pccs->cmd);
writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]);
writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]);
writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]);
writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]);
/* TBD still need psm_cam? */
writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode);
writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate);
writeb(0, &pccs->var.tx_request.antenna);
DEBUG(3,"ray_hw_xmit default_tx_rate = 0x%x\n",\
local->net_default_tx_rate);
/* Interrupt the firmware to process the command */
if (interrupt_ecf(local, ccsindex)) {
DEBUG(2,"ray_hw_xmit failed - ECF not ready for intr\n");
/* TBD very inefficient to copy packet to buffer, and then not
send it, but the alternative is to queue the messages and that
won't be done for a while. Maybe set tbusy until a CCS is free?
*/
writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
return XMIT_NO_INTR;
}
return XMIT_OK;
} /* end ray_hw_xmit */
/*===========================================================================*/
static int translate_frame(ray_dev_t *local, struct tx_msg __iomem *ptx, unsigned char *data,
int len)
{
unsigned short int proto = ((struct ethhdr *)data)->h_proto;
if (ntohs(proto) >= 1536) { /* DIX II ethernet frame */
DEBUG(3,"ray_cs translate_frame DIX II\n");
/* Copy LLC header to card buffer */
memcpy_toio(&ptx->var, eth2_llc, sizeof(eth2_llc));
memcpy_toio( ((void __iomem *)&ptx->var) + sizeof(eth2_llc), (UCHAR *)&proto, 2);
if ((proto == 0xf380) || (proto == 0x3781)) {
/* This is the selective translation table, only 2 entries */
writeb(0xf8, &((struct snaphdr_t __iomem *)ptx->var)->org[3]);
}
/* Copy body of ethernet packet without ethernet header */
memcpy_toio((void __iomem *)&ptx->var + sizeof(struct snaphdr_t), \
data + ETH_HLEN, len - ETH_HLEN);
return (int) sizeof(struct snaphdr_t) - ETH_HLEN;
}
else { /* already 802 type, and proto is length */
DEBUG(3,"ray_cs translate_frame 802\n");
if (proto == 0xffff) { /* evil netware IPX 802.3 without LLC */
DEBUG(3,"ray_cs translate_frame evil IPX\n");
memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
return 0 - ETH_HLEN;
}
memcpy_toio(&ptx->var, data + ETH_HLEN, len - ETH_HLEN);
return 0 - ETH_HLEN;
}
/* TBD do other frame types */
} /* end translate_frame */
/*===========================================================================*/
static void ray_build_header(ray_dev_t *local, struct tx_msg __iomem *ptx, UCHAR msg_type,
unsigned char *data)
{
writeb(PROTOCOL_VER | msg_type, &ptx->mac.frame_ctl_1);
/*** IEEE 802.11 Address field assignments *************
TODS FROMDS addr_1 addr_2 addr_3 addr_4
Adhoc 0 0 dest src (terminal) BSSID N/A
AP to Terminal 0 1 dest AP(BSSID) source N/A
Terminal to AP 1 0 AP(BSSID) src (terminal) dest N/A
AP to AP 1 1 dest AP src AP dest source
*******************************************************/
if (local->net_type == ADHOC) {
writeb(0, &ptx->mac.frame_ctl_2);
memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest, 2 * ADDRLEN);
memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
}
else /* infrastructure */
{
if (local->sparm.b4.a_acting_as_ap_status)
{
writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2);
memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest, ADDRLEN);
memcpy_toio(ptx->mac.addr_2, local->bss_id, 6);
memcpy_toio(ptx->mac.addr_3, ((struct ethhdr *)data)->h_source, ADDRLEN);
}
else /* Terminal */
{
writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2);
memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN);
memcpy_toio(ptx->mac.addr_2, ((struct ethhdr *)data)->h_source, ADDRLEN);
memcpy_toio(ptx->mac.addr_3, ((struct ethhdr *)data)->h_dest, ADDRLEN);
}
}
} /* end encapsulate_frame */
/*===========================================================================*/
static void netdev_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
strcpy(info->driver, "ray_cs");
}
static struct ethtool_ops netdev_ethtool_ops = {
.get_drvinfo = netdev_get_drvinfo,
};
/*====================================================================*/
/*------------------------------------------------------------------*/
/*
* Wireless Handler : get protocol name
*/
static int ray_get_name(struct net_device *dev,
struct iw_request_info *info,
char *cwrq,
char *extra)
{
strcpy(cwrq, "IEEE 802.11-FH");
return 0;
}
/*------------------------------------------------------------------*/
/*
* Wireless Handler : set frequency
*/
static int ray_set_freq(struct net_device *dev,
struct iw_request_info *info,
struct iw_freq *fwrq,
char *extra)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
int err = -EINPROGRESS; /* Call commit handler */
/* Reject if card is already initialised */
if(local->card_status != CARD_AWAITING_PARAM)
return -EBUSY;
/* Setting by channel number */
if ((fwrq->m > USA_HOP_MOD) || (fwrq->e > 0))
err = -EOPNOTSUPP;
else
local->sparm.b5.a_hop_pattern = fwrq->m;
return err;
}
/*------------------------------------------------------------------*/
/*
* Wireless Handler : get frequency
*/
static int ray_get_freq(struct net_device *dev,
struct iw_request_info *info,
struct iw_freq *fwrq,
char *extra)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
fwrq->m = local->sparm.b5.a_hop_pattern;
fwrq->e = 0;
return 0;
}
/*------------------------------------------------------------------*/
/*
* Wireless Handler : set ESSID
*/
static int ray_set_essid(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *dwrq,
char *extra)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
/* Reject if card is already initialised */
if(local->card_status != CARD_AWAITING_PARAM)
return -EBUSY;
/* Check if we asked for `any' */
if(dwrq->flags == 0) {
/* Corey : can you do that ? */
return -EOPNOTSUPP;
} else {
/* Check the size of the string */
if(dwrq->length > IW_ESSID_MAX_SIZE + 1) {
return -E2BIG;
}
/* Set the ESSID in the card */
memset(local->sparm.b5.a_current_ess_id, 0, IW_ESSID_MAX_SIZE);
memcpy(local->sparm.b5.a_current_ess_id, extra, dwrq->length);
}
return -EINPROGRESS; /* Call commit handler */
}
/*------------------------------------------------------------------*/
/*
* Wireless Handler : get ESSID
*/
static int ray_get_essid(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *dwrq,
char *extra)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
/* Get the essid that was set */
memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE);
extra[IW_ESSID_MAX_SIZE] = '\0';
/* Push it out ! */
dwrq->length = strlen(extra) + 1;
dwrq->flags = 1; /* active */
return 0;
}
/*------------------------------------------------------------------*/
/*
* Wireless Handler : get AP address
*/
static int ray_get_wap(struct net_device *dev,
struct iw_request_info *info,
struct sockaddr *awrq,
char *extra)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
memcpy(awrq->sa_data, local->bss_id, ETH_ALEN);
awrq->sa_family = ARPHRD_ETHER;
return 0;
}
/*------------------------------------------------------------------*/
/*
* Wireless Handler : set Bit-Rate
*/
static int ray_set_rate(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *vwrq,
char *extra)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
/* Reject if card is already initialised */
if(local->card_status != CARD_AWAITING_PARAM)
return -EBUSY;
/* Check if rate is in range */
if((vwrq->value != 1000000) && (vwrq->value != 2000000))
return -EINVAL;
/* Hack for 1.5 Mb/s instead of 2 Mb/s */
if((local->fw_ver == 0x55) && /* Please check */
(vwrq->value == 2000000))
local->net_default_tx_rate = 3;
else
local->net_default_tx_rate = vwrq->value/500000;
return 0;
}
/*------------------------------------------------------------------*/
/*
* Wireless Handler : get Bit-Rate
*/
static int ray_get_rate(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *vwrq,
char *extra)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
if(local->net_default_tx_rate == 3)
vwrq->value = 2000000; /* Hum... */
else
vwrq->value = local->net_default_tx_rate * 500000;
vwrq->fixed = 0; /* We are in auto mode */
return 0;
}
/*------------------------------------------------------------------*/
/*
* Wireless Handler : set RTS threshold
*/
static int ray_set_rts(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *vwrq,
char *extra)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
int rthr = vwrq->value;
/* Reject if card is already initialised */
if(local->card_status != CARD_AWAITING_PARAM)
return -EBUSY;
/* if(wrq->u.rts.fixed == 0) we should complain */
if(vwrq->disabled)
rthr = 32767;
else {
if((rthr < 0) || (rthr > 2347)) /* What's the max packet size ??? */
return -EINVAL;
}
local->sparm.b5.a_rts_threshold[0] = (rthr >> 8) & 0xFF;
local->sparm.b5.a_rts_threshold[1] = rthr & 0xFF;
return -EINPROGRESS; /* Call commit handler */
}
/*------------------------------------------------------------------*/
/*
* Wireless Handler : get RTS threshold
*/
static int ray_get_rts(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *vwrq,
char *extra)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
vwrq->value = (local->sparm.b5.a_rts_threshold[0] << 8)
+ local->sparm.b5.a_rts_threshold[1];
vwrq->disabled = (vwrq->value == 32767);
vwrq->fixed = 1;
return 0;
}
/*------------------------------------------------------------------*/
/*
* Wireless Handler : set Fragmentation threshold
*/
static int ray_set_frag(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *vwrq,
char *extra)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
int fthr = vwrq->value;
/* Reject if card is already initialised */
if(local->card_status != CARD_AWAITING_PARAM)
return -EBUSY;
/* if(wrq->u.frag.fixed == 0) should complain */
if(vwrq->disabled)
fthr = 32767;
else {
if((fthr < 256) || (fthr > 2347)) /* To check out ! */
return -EINVAL;
}
local->sparm.b5.a_frag_threshold[0] = (fthr >> 8) & 0xFF;
local->sparm.b5.a_frag_threshold[1] = fthr & 0xFF;
return -EINPROGRESS; /* Call commit handler */
}
/*------------------------------------------------------------------*/
/*
* Wireless Handler : get Fragmentation threshold
*/
static int ray_get_frag(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *vwrq,
char *extra)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
vwrq->value = (local->sparm.b5.a_frag_threshold[0] << 8)
+ local->sparm.b5.a_frag_threshold[1];
vwrq->disabled = (vwrq->value == 32767);
vwrq->fixed = 1;
return 0;
}
/*------------------------------------------------------------------*/
/*
* Wireless Handler : set Mode of Operation
*/
static int ray_set_mode(struct net_device *dev,
struct iw_request_info *info,
__u32 *uwrq,
char *extra)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
int err = -EINPROGRESS; /* Call commit handler */
char card_mode = 1;
/* Reject if card is already initialised */
if(local->card_status != CARD_AWAITING_PARAM)
return -EBUSY;
switch (*uwrq)
{
case IW_MODE_ADHOC:
card_mode = 0;
// Fall through
case IW_MODE_INFRA:
local->sparm.b5.a_network_type = card_mode;
break;
default:
err = -EINVAL;
}
return err;
}
/*------------------------------------------------------------------*/
/*
* Wireless Handler : get Mode of Operation
*/
static int ray_get_mode(struct net_device *dev,
struct iw_request_info *info,
__u32 *uwrq,
char *extra)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
if(local->sparm.b5.a_network_type)
*uwrq = IW_MODE_INFRA;
else
*uwrq = IW_MODE_ADHOC;
return 0;
}
/*------------------------------------------------------------------*/
/*
* Wireless Handler : get range info
*/
static int ray_get_range(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *dwrq,
char *extra)
{
struct iw_range *range = (struct iw_range *) extra;
memset((char *) range, 0, sizeof(struct iw_range));
/* Set the length (very important for backward compatibility) */
dwrq->length = sizeof(struct iw_range);
/* Set the Wireless Extension versions */
range->we_version_compiled = WIRELESS_EXT;
range->we_version_source = 9;
/* Set information in the range struct */
range->throughput = 1.1 * 1000 * 1000; /* Put the right number here */
range->num_channels = hop_pattern_length[(int)country];
range->num_frequency = 0;
range->max_qual.qual = 0;
range->max_qual.level = 255; /* What's the correct value ? */
range->max_qual.noise = 255; /* Idem */
range->num_bitrates = 2;
range->bitrate[0] = 1000000; /* 1 Mb/s */
range->bitrate[1] = 2000000; /* 2 Mb/s */
return 0;
}
/*------------------------------------------------------------------*/
/*
* Wireless Private Handler : set framing mode
*/
static int ray_set_framing(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *extra)
{
translate = *(extra); /* Set framing mode */
return 0;
}
/*------------------------------------------------------------------*/
/*
* Wireless Private Handler : get framing mode
*/
static int ray_get_framing(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *extra)
{
*(extra) = translate;
return 0;
}
/*------------------------------------------------------------------*/
/*
* Wireless Private Handler : get country
*/
static int ray_get_country(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu,
char *extra)
{
*(extra) = country;
return 0;
}
/*------------------------------------------------------------------*/
/*
* Commit handler : called after a bunch of SET operations
*/
static int ray_commit(struct net_device *dev,
struct iw_request_info *info, /* NULL */
void *zwrq, /* NULL */
char *extra) /* NULL */
{
return 0;
}
/*------------------------------------------------------------------*/
/*
* Stats handler : return Wireless Stats
*/
static iw_stats * ray_get_wireless_stats(struct net_device * dev)
{
ray_dev_t * local = (ray_dev_t *) dev->priv;
dev_link_t *link = local->finder;
struct status __iomem *p = local->sram + STATUS_BASE;
if(local == (ray_dev_t *) NULL)
return (iw_stats *) NULL;
local->wstats.status = local->card_status;
#ifdef WIRELESS_SPY
if((local->spy_data.spy_number > 0) && (local->sparm.b5.a_network_type == 0))
{
/* Get it from the first node in spy list */
local->wstats.qual.qual = local->spy_data.spy_stat[0].qual;
local->wstats.qual.level = local->spy_data.spy_stat[0].level;
local->wstats.qual.noise = local->spy_data.spy_stat[0].noise;
local->wstats.qual.updated = local->spy_data.spy_stat[0].updated;
}
#endif /* WIRELESS_SPY */
if((link->state & DEV_PRESENT)) {
local->wstats.qual.noise = readb(&p->rxnoise);
local->wstats.qual.updated |= 4;
}
return &local->wstats;
} /* end ray_get_wireless_stats */
/*------------------------------------------------------------------*/
/*
* Structures to export the Wireless Handlers
*/
static const iw_handler ray_handler[] = {
[SIOCSIWCOMMIT-SIOCIWFIRST] (iw_handler) ray_commit,
[SIOCGIWNAME -SIOCIWFIRST] (iw_handler) ray_get_name,
[SIOCSIWFREQ -SIOCIWFIRST] (iw_handler) ray_set_freq,
[SIOCGIWFREQ -SIOCIWFIRST] (iw_handler) ray_get_freq,
[SIOCSIWMODE -SIOCIWFIRST] (iw_handler) ray_set_mode,
[SIOCGIWMODE -SIOCIWFIRST] (iw_handler) ray_get_mode,
[SIOCGIWRANGE -SIOCIWFIRST] (iw_handler) ray_get_range,
#ifdef WIRELESS_SPY
[SIOCSIWSPY -SIOCIWFIRST] (iw_handler) iw_handler_set_spy,
[SIOCGIWSPY -SIOCIWFIRST] (iw_handler) iw_handler_get_spy,
[SIOCSIWTHRSPY-SIOCIWFIRST] (iw_handler) iw_handler_set_thrspy,
[SIOCGIWTHRSPY-SIOCIWFIRST] (iw_handler) iw_handler_get_thrspy,
#endif /* WIRELESS_SPY */
[SIOCGIWAP -SIOCIWFIRST] (iw_handler) ray_get_wap,
[SIOCSIWESSID -SIOCIWFIRST] (iw_handler) ray_set_essid,
[SIOCGIWESSID -SIOCIWFIRST] (iw_handler) ray_get_essid,
[SIOCSIWRATE -SIOCIWFIRST] (iw_handler) ray_set_rate,
[SIOCGIWRATE -SIOCIWFIRST] (iw_handler) ray_get_rate,
[SIOCSIWRTS -SIOCIWFIRST] (iw_handler) ray_set_rts,
[SIOCGIWRTS -SIOCIWFIRST] (iw_handler) ray_get_rts,
[SIOCSIWFRAG -SIOCIWFIRST] (iw_handler) ray_set_frag,
[SIOCGIWFRAG -SIOCIWFIRST] (iw_handler) ray_get_frag,
};
#define SIOCSIPFRAMING SIOCIWFIRSTPRIV /* Set framing mode */
#define SIOCGIPFRAMING SIOCIWFIRSTPRIV + 1 /* Get framing mode */
#define SIOCGIPCOUNTRY SIOCIWFIRSTPRIV + 3 /* Get country code */
static const iw_handler ray_private_handler[] = {
[0] (iw_handler) ray_set_framing,
[1] (iw_handler) ray_get_framing,
[3] (iw_handler) ray_get_country,
};
static const struct iw_priv_args ray_private_args[] = {
/* cmd, set_args, get_args, name */
{ SIOCSIPFRAMING, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, 0, "set_framing" },
{ SIOCGIPFRAMING, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "get_framing" },
{ SIOCGIPCOUNTRY, 0, IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "get_country" },
};
static const struct iw_handler_def ray_handler_def =
{
.num_standard = sizeof(ray_handler)/sizeof(iw_handler),
.num_private = sizeof(ray_private_handler)/sizeof(iw_handler),
.num_private_args = sizeof(ray_private_args)/sizeof(struct iw_priv_args),
.standard = ray_handler,
.private = ray_private_handler,
.private_args = ray_private_args,
.get_wireless_stats = ray_get_wireless_stats,
};
/*===========================================================================*/
static int ray_open(struct net_device *dev)
{
dev_link_t *link;
ray_dev_t *local = (ray_dev_t *)dev->priv;
DEBUG(1, "ray_open('%s')\n", dev->name);
for (link = dev_list; link; link = link->next)
if (link->priv == dev) break;
if (!DEV_OK(link)) {
return -ENODEV;
}
if (link->open == 0) local->num_multi = 0;
link->open++;
/* If the card is not started, time to start it ! - Jean II */
if(local->card_status == CARD_AWAITING_PARAM) {
int i;
DEBUG(1,"ray_open: doing init now !\n");
/* Download startup parameters */
if ( (i = dl_startup_params(dev)) < 0)
{
printk(KERN_INFO "ray_dev_init dl_startup_params failed - "
"returns 0x%x\n",i);
return -1;
}
}
if (sniffer) netif_stop_queue(dev);
else netif_start_queue(dev);
DEBUG(2,"ray_open ending\n");
return 0;
} /* end ray_open */
/*===========================================================================*/
static int ray_dev_close(struct net_device *dev)
{
dev_link_t *link;
DEBUG(1, "ray_dev_close('%s')\n", dev->name);
for (link = dev_list; link; link = link->next)
if (link->priv == dev) break;
if (link == NULL)
return -ENODEV;
link->open--;
netif_stop_queue(dev);
/* In here, we should stop the hardware (stop card from beeing active)
* and set local->card_status to CARD_AWAITING_PARAM, so that while the
* card is closed we can chage its configuration.
* Probably also need a COR reset to get sane state - Jean II */
return 0;
} /* end ray_dev_close */
/*===========================================================================*/
static void ray_reset(struct net_device *dev) {
DEBUG(1,"ray_reset entered\n");
return;
}
/*===========================================================================*/
/* Cause a firmware interrupt if it is ready for one */
/* Return nonzero if not ready */
static int interrupt_ecf(ray_dev_t *local, int ccs)
{
int i = 50;
dev_link_t *link = local->finder;
if (!(link->state & DEV_PRESENT)) {
DEBUG(2,"ray_cs interrupt_ecf - device not present\n");
return -1;
}
DEBUG(2,"interrupt_ecf(local=%p, ccs = 0x%x\n",local,ccs);
while ( i &&
(readb(local->amem + CIS_OFFSET + ECF_INTR_OFFSET) & ECF_INTR_SET))
i--;
if (i == 0) {
DEBUG(2,"ray_cs interrupt_ecf card not ready for interrupt\n");
return -1;
}
/* Fill the mailbox, then kick the card */
writeb(ccs, local->sram + SCB_BASE);
writeb(ECF_INTR_SET, local->amem + CIS_OFFSET + ECF_INTR_OFFSET);
return 0;
} /* interrupt_ecf */
/*===========================================================================*/
/* Get next free transmit CCS */
/* Return - index of current tx ccs */
static int get_free_tx_ccs(ray_dev_t *local)
{
int i;
struct ccs __iomem *pccs = ccs_base(local);
dev_link_t *link = local->finder;
if (!(link->state & DEV_PRESENT)) {
DEBUG(2,"ray_cs get_free_tx_ccs - device not present\n");
return ECARDGONE;
}
if (test_and_set_bit(0,&local->tx_ccs_lock)) {
DEBUG(1,"ray_cs tx_ccs_lock busy\n");
return ECCSBUSY;
}
for (i=0; i < NUMBER_OF_TX_CCS; i++) {
if (readb(&(pccs+i)->buffer_status) == CCS_BUFFER_FREE) {
writeb(CCS_BUFFER_BUSY, &(pccs+i)->buffer_status);
writeb(CCS_END_LIST, &(pccs+i)->link);
local->tx_ccs_lock = 0;
return i;
}
}
local->tx_ccs_lock = 0;
DEBUG(2,"ray_cs ERROR no free tx CCS for raylink card\n");
return ECCSFULL;
} /* get_free_tx_ccs */
/*===========================================================================*/
/* Get next free CCS */
/* Return - index of current ccs */
static int get_free_ccs(ray_dev_t *local)
{
int i;
struct ccs __iomem *pccs = ccs_base(local);
dev_link_t *link = local->finder;
if (!(link->state & DEV_PRESENT)) {
DEBUG(2,"ray_cs get_free_ccs - device not present\n");
return ECARDGONE;
}
if (test_and_set_bit(0,&local->ccs_lock)) {
DEBUG(1,"ray_cs ccs_lock busy\n");
return ECCSBUSY;
}
for (i = NUMBER_OF_TX_CCS; i < NUMBER_OF_CCS; i++) {
if (readb(&(pccs+i)->buffer_status) == CCS_BUFFER_FREE) {
writeb(CCS_BUFFER_BUSY, &(pccs+i)->buffer_status);
writeb(CCS_END_LIST, &(pccs+i)->link);
local->ccs_lock = 0;
return i;
}
}
local->ccs_lock = 0;
DEBUG(1,"ray_cs ERROR no free CCS for raylink card\n");
return ECCSFULL;
} /* get_free_ccs */
/*===========================================================================*/
static void authenticate_timeout(u_long data)
{
ray_dev_t *local = (ray_dev_t *)data;
del_timer(&local->timer);
printk(KERN_INFO "ray_cs Authentication with access point failed"
" - timeout\n");
join_net((u_long)local);
}
/*===========================================================================*/
static int asc_to_int(char a)
{
if (a < '0') return -1;
if (a <= '9') return (a - '0');
if (a < 'A') return -1;
if (a <= 'F') return (10 + a - 'A');
if (a < 'a') return -1;
if (a <= 'f') return (10 + a - 'a');
return -1;
}
/*===========================================================================*/
static int parse_addr(char *in_str, UCHAR *out)
{
int len;
int i,j,k;
int status;
if (in_str == NULL) return 0;
if ((len = strlen(in_str)) < 2) return 0;
memset(out, 0, ADDRLEN);
status = 1;
j = len - 1;
if (j > 12) j = 12;
i = 5;
while (j > 0)
{
if ((k = asc_to_int(in_str[j--])) != -1) out[i] = k;
else return 0;
if (j == 0) break;
if ((k = asc_to_int(in_str[j--])) != -1) out[i] += k << 4;
else return 0;
if (!i--) break;
}
return status;
}
/*===========================================================================*/
static struct net_device_stats *ray_get_stats(struct net_device *dev)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
dev_link_t *link = local->finder;
struct status __iomem *p = local->sram + STATUS_BASE;
if (!(link->state & DEV_PRESENT)) {
DEBUG(2,"ray_cs net_device_stats - device not present\n");
return &local->stats;
}
if (readb(&p->mrx_overflow_for_host))
{
local->stats.rx_over_errors += ntohs(readb(&p->mrx_overflow));
writeb(0,&p->mrx_overflow);
writeb(0,&p->mrx_overflow_for_host);
}
if (readb(&p->mrx_checksum_error_for_host))
{
local->stats.rx_crc_errors += ntohs(readb(&p->mrx_checksum_error));
writeb(0,&p->mrx_checksum_error);
writeb(0,&p->mrx_checksum_error_for_host);
}
if (readb(&p->rx_hec_error_for_host))
{
local->stats.rx_frame_errors += ntohs(readb(&p->rx_hec_error));
writeb(0,&p->rx_hec_error);
writeb(0,&p->rx_hec_error_for_host);
}
return &local->stats;
}
/*===========================================================================*/
static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
dev_link_t *link = local->finder;
int ccsindex;
int i;
struct ccs __iomem *pccs;
if (!(link->state & DEV_PRESENT)) {
DEBUG(2,"ray_update_parm - device not present\n");
return;
}
if ((ccsindex = get_free_ccs(local)) < 0)
{
DEBUG(0,"ray_update_parm - No free ccs\n");
return;
}
pccs = ccs_base(local) + ccsindex;
writeb(CCS_UPDATE_PARAMS, &pccs->cmd);
writeb(objid, &pccs->var.update_param.object_id);
writeb(1, &pccs->var.update_param.number_objects);
writeb(0, &pccs->var.update_param.failure_cause);
for (i=0; i<len; i++) {
writeb(value[i], local->sram + HOST_TO_ECF_BASE);
}
/* Interrupt the firmware to process the command */
if (interrupt_ecf(local, ccsindex)) {
DEBUG(0,"ray_cs associate failed - ECF not ready for intr\n");
writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
}
}
/*===========================================================================*/
static void ray_update_multi_list(struct net_device *dev, int all)
{
struct dev_mc_list *dmi, **dmip;
int ccsindex;
struct ccs __iomem *pccs;
int i = 0;
ray_dev_t *local = (ray_dev_t *)dev->priv;
dev_link_t *link = local->finder;
void __iomem *p = local->sram + HOST_TO_ECF_BASE;
if (!(link->state & DEV_PRESENT)) {
DEBUG(2,"ray_update_multi_list - device not present\n");
return;
}
else
DEBUG(2,"ray_update_multi_list(%p)\n",dev);
if ((ccsindex = get_free_ccs(local)) < 0)
{
DEBUG(1,"ray_update_multi - No free ccs\n");
return;
}
pccs = ccs_base(local) + ccsindex;
writeb(CCS_UPDATE_MULTICAST_LIST, &pccs->cmd);
if (all) {
writeb(0xff, &pccs->var);
local->num_multi = 0xff;
}
else {
/* Copy the kernel's list of MC addresses to card */
for (dmip=&dev->mc_list; (dmi=*dmip)!=NULL; dmip=&dmi->next) {
memcpy_toio(p, dmi->dmi_addr, ETH_ALEN);
DEBUG(1,"ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",dmi->dmi_addr[0],dmi->dmi_addr[1],dmi->dmi_addr[2],dmi->dmi_addr[3],dmi->dmi_addr[4],dmi->dmi_addr[5]);
p += ETH_ALEN;
i++;
}
if (i > 256/ADDRLEN) i = 256/ADDRLEN;
writeb((UCHAR)i, &pccs->var);
DEBUG(1,"ray_cs update_multi %d addresses in list\n", i);
/* Interrupt the firmware to process the command */
local->num_multi = i;
}
if (interrupt_ecf(local, ccsindex)) {
DEBUG(1,"ray_cs update_multi failed - ECF not ready for intr\n");
writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
}
} /* end ray_update_multi_list */
/*===========================================================================*/
static void set_multicast_list(struct net_device *dev)
{
ray_dev_t *local = (ray_dev_t *)dev->priv;
UCHAR promisc;
DEBUG(2,"ray_cs set_multicast_list(%p)\n",dev);
if (dev->flags & IFF_PROMISC)
{
if (local->sparm.b5.a_promiscuous_mode == 0) {
DEBUG(1,"ray_cs set_multicast_list promisc on\n");
local->sparm.b5.a_promiscuous_mode = 1;
promisc = 1;
ray_update_parm(dev, OBJID_promiscuous_mode, \
&promisc, sizeof(promisc));
}
}
else {
if (local->sparm.b5.a_promiscuous_mode == 1) {
DEBUG(1,"ray_cs set_multicast_list promisc off\n");
local->sparm.b5.a_promiscuous_mode = 0;
promisc = 0;
ray_update_parm(dev, OBJID_promiscuous_mode, \
&promisc, sizeof(promisc));
}
}
if (dev->flags & IFF_ALLMULTI) ray_update_multi_list(dev, 1);
else
{
if (local->num_multi != dev->mc_count) ray_update_multi_list(dev, 0);
}
} /* end set_multicast_list */
/*=============================================================================
* All routines below here are run at interrupt time.
=============================================================================*/
static irqreturn_t ray_interrupt(int irq, void *dev_id, struct pt_regs * regs)
{
struct net_device *dev = (struct net_device *)dev_id;
dev_link_t *link;
ray_dev_t *local;
struct ccs __iomem *pccs;
struct rcs __iomem *prcs;
UCHAR rcsindex;
UCHAR tmp;
UCHAR cmd;
UCHAR status;
if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */
return IRQ_NONE;
DEBUG(4,"ray_cs: interrupt for *dev=%p\n",dev);
local = (ray_dev_t *)dev->priv;
link = (dev_link_t *)local->finder;
if ( ! (link->state & DEV_PRESENT) || link->state & DEV_SUSPEND ) {
DEBUG(2,"ray_cs interrupt from device not present or suspended.\n");
return IRQ_NONE;
}
rcsindex = readb(&((struct scb __iomem *)(local->sram))->rcs_index);
if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS))
{
DEBUG(1,"ray_cs interrupt bad rcsindex = 0x%x\n",rcsindex);
clear_interrupt(local);
return IRQ_HANDLED;
}
if (rcsindex < NUMBER_OF_CCS) /* If it's a returned CCS */
{
pccs = ccs_base(local) + rcsindex;
cmd = readb(&pccs->cmd);
status = readb(&pccs->buffer_status);
switch (cmd)
{
case CCS_DOWNLOAD_STARTUP_PARAMS: /* Happens in firmware someday */
del_timer(&local->timer);
if (status == CCS_COMMAND_COMPLETE) {
DEBUG(1,"ray_cs interrupt download_startup_parameters OK\n");
}
else {
DEBUG(1,"ray_cs interrupt download_startup_parameters fail\n");
}
break;
case CCS_UPDATE_PARAMS:
DEBUG(1,"ray_cs interrupt update params done\n");
if (status != CCS_COMMAND_COMPLETE) {
tmp = readb(&pccs->var.update_param.failure_cause);
DEBUG(0,"ray_cs interrupt update params failed - reason %d\n",tmp);
}
break;
case CCS_REPORT_PARAMS:
DEBUG(1,"ray_cs interrupt report params done\n");
break;
case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */
DEBUG(1,"ray_cs interrupt CCS Update Multicast List done\n");
break;
case CCS_UPDATE_POWER_SAVINGS_MODE:
DEBUG(1,"ray_cs interrupt update power save mode done\n");
break;
case CCS_START_NETWORK:
case CCS_JOIN_NETWORK:
if (status == CCS_COMMAND_COMPLETE) {
if (readb(&pccs->var.start_network.net_initiated) == 1) {
DEBUG(0,"ray_cs interrupt network \"%s\" started\n",\
local->sparm.b4.a_current_ess_id);
}
else {
DEBUG(0,"ray_cs interrupt network \"%s\" joined\n",\
local->sparm.b4.a_current_ess_id);
}
memcpy_fromio(&local->bss_id,pccs->var.start_network.bssid,ADDRLEN);
if (local->fw_ver == 0x55) local->net_default_tx_rate = 3;
else local->net_default_tx_rate =
readb(&pccs->var.start_network.net_default_tx_rate);
local->encryption = readb(&pccs->var.start_network.encryption);
if (!sniffer && (local->net_type == INFRA)
&& !(local->sparm.b4.a_acting_as_ap_status)) {
authenticate(local);
}
local->card_status = CARD_ACQ_COMPLETE;
}
else {
local->card_status = CARD_ACQ_FAILED;
del_timer(&local->timer);
local->timer.expires = jiffies + HZ*5;
local->timer.data = (long)local;
if (status == CCS_START_NETWORK) {
DEBUG(0,"ray_cs interrupt network \"%s\" start failed\n",\
local->sparm.b4.a_current_ess_id);
local->timer.function = &start_net;
}
else {
DEBUG(0,"ray_cs interrupt network \"%s\" join failed\n",\
local->sparm.b4.a_current_ess_id);
local->timer.function = &join_net;
}
add_timer(&local->timer);
}
break;
case CCS_START_ASSOCIATION:
if (status == CCS_COMMAND_COMPLETE) {
local->card_status = CARD_ASSOC_COMPLETE;
DEBUG(0,"ray_cs association successful\n");
}
else
{
DEBUG(0,"ray_cs association failed,\n");
local->card_status = CARD_ASSOC_FAILED;
join_net((u_long)local);
}
break;
case CCS_TX_REQUEST:
if (status == CCS_COMMAND_COMPLETE) {
DEBUG(3,"ray_cs interrupt tx request complete\n");
}
else {
DEBUG(1,"ray_cs interrupt tx request failed\n");
}
if (!sniffer) netif_start_queue(dev);
netif_wake_queue(dev);
break;
case CCS_TEST_MEMORY:
DEBUG(1,"ray_cs interrupt mem test done\n");
break;
case CCS_SHUTDOWN:
DEBUG(1,"ray_cs interrupt Unexpected CCS returned - Shutdown\n");
break;
case CCS_DUMP_MEMORY:
DEBUG(1,"ray_cs interrupt dump memory done\n");
break;
case CCS_START_TIMER:
DEBUG(2,"ray_cs interrupt DING - raylink timer expired\n");
break;
default:
DEBUG(1,"ray_cs interrupt Unexpected CCS 0x%x returned 0x%x\n",\
rcsindex, cmd);
}
writeb(CCS_BUFFER_FREE, &pccs->buffer_status);
}
else /* It's an RCS */
{
prcs = rcs_base(local) + rcsindex;
switch (readb(&prcs->interrupt_id))
{
case PROCESS_RX_PACKET:
ray_rx(dev, local, prcs);
break;
case REJOIN_NET_COMPLETE:
DEBUG(1,"ray_cs interrupt rejoin net complete\n");
local->card_status = CARD_ACQ_COMPLETE;
/* do we need to clear tx buffers CCS's? */
if (local->sparm.b4.a_network_type == ADHOC) {
if (!sniffer) netif_start_queue(dev);
}
else {
memcpy_fromio(&local->bss_id, prcs->var.rejoin_net_complete.bssid, ADDRLEN);
DEBUG(1,"ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",\
local->bss_id[0], local->bss_id[1], local->bss_id[2],\
local->bss_id[3], local->bss_id[4], local->bss_id[5]);
if (!sniffer) authenticate(local);
}
break;
case ROAMING_INITIATED:
DEBUG(1,"ray_cs interrupt roaming initiated\n");
netif_stop_queue(dev);
local->card_status = CARD_DOING_ACQ;
break;
case JAPAN_CALL_SIGN_RXD:
DEBUG(1,"ray_cs interrupt japan call sign rx\n");
break;
default:
DEBUG(1,"ray_cs Unexpected interrupt for RCS 0x%x cmd = 0x%x\n",\
rcsindex, (unsigned int) readb(&prcs->interrupt_id));
break;
}
writeb(CCS_BUFFER_FREE, &prcs->buffer_status);
}
clear_interrupt(local);
return IRQ_HANDLED;
} /* ray_interrupt */
/*===========================================================================*/
static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs)
{
int rx_len;
unsigned int pkt_addr;
void __iomem *pmsg;
DEBUG(4,"ray_rx process rx packet\n");
/* Calculate address of packet within Rx buffer */
pkt_addr = ((readb(&prcs->var.rx_packet.rx_data_ptr[0]) << 8)
+ readb(&prcs->var.rx_packet.rx_data_ptr[1])) & RX_BUFF_END;
/* Length of first packet fragment */
rx_len = (readb(&prcs->var.rx_packet.rx_data_length[0]) << 8)
+ readb(&prcs->var.rx_packet.rx_data_length[1]);
local->last_rsl = readb(&prcs->var.rx_packet.rx_sig_lev);
pmsg = local->rmem + pkt_addr;
switch(readb(pmsg))
{
case DATA_TYPE:
DEBUG(4,"ray_rx data type\n");
rx_data(dev, prcs, pkt_addr, rx_len);
break;
case AUTHENTIC_TYPE:
DEBUG(4,"ray_rx authentic type\n");
if (sniffer) rx_data(dev, prcs, pkt_addr, rx_len);
else rx_authenticate(local, prcs, pkt_addr, rx_len);
break;
case DEAUTHENTIC_TYPE:
DEBUG(4,"ray_rx deauth type\n");
if (sniffer) rx_data(dev, prcs, pkt_addr, rx_len);
else rx_deauthenticate(local, prcs, pkt_addr, rx_len);
break;
case NULL_MSG_TYPE:
DEBUG(3,"ray_cs rx NULL msg\n");
break;
case BEACON_TYPE:
DEBUG(4,"ray_rx beacon type\n");
if (sniffer) rx_data(dev, prcs, pkt_addr, rx_len);
copy_from_rx_buff(local, (UCHAR *)&local->last_bcn, pkt_addr,
rx_len < sizeof(struct beacon_rx) ?
rx_len : sizeof(struct beacon_rx));
local->beacon_rxed = 1;
/* Get the statistics so the card counters never overflow */
ray_get_stats(dev);
break;
default:
DEBUG(0,"ray_cs unknown pkt type %2x\n", (unsigned int) readb(pmsg));
break;
}
} /* end ray_rx */
/*===========================================================================*/
static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, unsigned int pkt_addr,
int rx_len)
{
struct sk_buff *skb = NULL;
struct rcs __iomem *prcslink = prcs;
ray_dev_t *local = dev->priv;
UCHAR *rx_ptr;
int total_len;
int tmp;
#ifdef WIRELESS_SPY
int siglev = local->last_rsl;
u_char linksrcaddr[ETH_ALEN]; /* Other end of the wireless link */
#endif
if (!sniffer) {
if (translate) {
/* TBD length needs fixing for translated header */
if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
rx_len > (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + FCS_LEN))
{
DEBUG(0,"ray_cs invalid packet length %d received \n",rx_len);
return;
}
}
else /* encapsulated ethernet */ {
if (rx_len < (ETH_HLEN + RX_MAC_HEADER_LENGTH) ||
rx_len > (dev->mtu + RX_MAC_HEADER_LENGTH + ETH_HLEN + FCS_LEN))
{
DEBUG(0,"ray_cs invalid packet length %d received \n",rx_len);
return;
}
}
}
DEBUG(4,"ray_cs rx_data packet\n");
/* If fragmented packet, verify sizes of fragments add up */
if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
DEBUG(1,"ray_cs rx'ed fragment\n");
tmp = (readb(&prcs->var.rx_packet.totalpacketlength[0]) << 8)
+ readb(&prcs->var.rx_packet.totalpacketlength[1]);
total_len = tmp;
prcslink = prcs;
do {
tmp -= (readb(&prcslink->var.rx_packet.rx_data_length[0]) << 8)
+ readb(&prcslink->var.rx_packet.rx_data_length[1]);
if (readb(&prcslink->var.rx_packet.next_frag_rcs_index) == 0xFF
|| tmp < 0) break;
prcslink = rcs_base(local)
+ readb(&prcslink->link_field);
} while (1);
if (tmp < 0)
{
DEBUG(0,"ray_cs rx_data fragment lengths don't add up\n");
local->stats.rx_dropped++;
release_frag_chain(local, prcs);
return;
}
}
else { /* Single unfragmented packet */
total_len = rx_len;
}
skb = dev_alloc_skb( total_len+5 );
if (skb == NULL)
{
DEBUG(0,"ray_cs rx_data could not allocate skb\n");
local->stats.rx_dropped++;
if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF)
release_frag_chain(local, prcs);
return;
}
skb_reserve( skb, 2); /* Align IP on 16 byte (TBD check this)*/
skb->dev = dev;
DEBUG(4,"ray_cs rx_data total_len = %x, rx_len = %x\n",total_len,rx_len);
/************************/
/* Reserve enough room for the whole damn packet. */
rx_ptr = skb_put( skb, total_len);
/* Copy the whole packet to sk_buff */
rx_ptr += copy_from_rx_buff(local, rx_ptr, pkt_addr & RX_BUFF_END, rx_len);
/* Get source address */
#ifdef WIRELESS_SPY
memcpy(linksrcaddr, ((struct mac_header *)skb->data)->addr_2, ETH_ALEN);
#endif
/* Now, deal with encapsulation/translation/sniffer */
if (!sniffer) {
if (!translate) {
/* Encapsulated ethernet, so just lop off 802.11 MAC header */
/* TBD reserve skb_reserve( skb, RX_MAC_HEADER_LENGTH); */
skb_pull( skb, RX_MAC_HEADER_LENGTH);
}
else {
/* Do translation */
untranslate(local, skb, total_len);
}
}
else
{ /* sniffer mode, so just pass whole packet */ };
/************************/
/* Now pick up the rest of the fragments if any */
tmp = 17;
if (readb(&prcs->var.rx_packet.next_frag_rcs_index) != 0xFF) {
prcslink = prcs;
DEBUG(1,"ray_cs rx_data in fragment loop\n");
do {
prcslink = rcs_base(local)
+ readb(&prcslink->var.rx_packet.next_frag_rcs_index);
rx_len = (( readb(&prcslink->var.rx_packet.rx_data_length[0]) << 8)
+ readb(&prcslink->var.rx_packet.rx_data_length[1]))
& RX_BUFF_END;
pkt_addr = (( readb(&prcslink->var.rx_packet.rx_data_ptr[0]) << 8)
+ readb(&prcslink->var.rx_packet.rx_data_ptr[1]))
& RX_BUFF_END;
rx_ptr += copy_from_rx_buff(local, rx_ptr, pkt_addr, rx_len);
} while (tmp-- &&
readb(&prcslink->var.rx_packet.next_frag_rcs_index) != 0xFF);
release_frag_chain(local, prcs);
}
skb->protocol = eth_type_trans(skb,dev);
netif_rx(skb);
dev->last_rx = jiffies;
local->stats.rx_packets++;
local->stats.rx_bytes += total_len;
/* Gather signal strength per address */
#ifdef WIRELESS_SPY
/* For the Access Point or the node having started the ad-hoc net
* note : ad-hoc work only in some specific configurations, but we
* kludge in ray_get_wireless_stats... */
if(!memcmp(linksrcaddr, local->bss_id, ETH_ALEN))
{
/* Update statistics */
/*local->wstats.qual.qual = none ? */
local->wstats.qual.level = siglev;
/*local->wstats.qual.noise = none ? */
local->wstats.qual.updated = 0x2;
}
/* Now, update the spy stuff */
{
struct iw_quality wstats;
wstats.level = siglev;
/* wstats.noise = none ? */
/* wstats.qual = none ? */
wstats.updated = 0x2;
/* Update spy records */
wireless_spy_update(dev, linksrcaddr, &wstats);
}
#endif /* WIRELESS_SPY */
} /* end rx_data */
/*===========================================================================*/
static void untranslate(ray_dev_t *local, struct sk_buff *skb, int len)
{
snaphdr_t *psnap = (snaphdr_t *)(skb->data + RX_MAC_HEADER_LENGTH);
struct mac_header *pmac = (struct mac_header *)skb->data;
unsigned short type = *(unsigned short *)psnap->ethertype;
unsigned int xsap = *(unsigned int *)psnap & 0x00ffffff;
unsigned int org = (*(unsigned int *)psnap->org) & 0x00ffffff;
int delta;
struct ethhdr *peth;
UCHAR srcaddr[ADDRLEN];
UCHAR destaddr[ADDRLEN];
if (pmac->frame_ctl_2 & FC2_FROM_DS) {
if (pmac->frame_ctl_2 & FC2_TO_DS) { /* AP to AP */
memcpy(destaddr, pmac->addr_3, ADDRLEN);
memcpy(srcaddr, ((unsigned char *)pmac->addr_3) + ADDRLEN, ADDRLEN);
} else { /* AP to terminal */
memcpy(destaddr, pmac->addr_1, ADDRLEN);
memcpy(srcaddr, pmac->addr_3, ADDRLEN);
}
} else { /* Terminal to AP */
if (pmac->frame_ctl_2 & FC2_TO_DS) {
memcpy(destaddr, pmac->addr_3, ADDRLEN);
memcpy(srcaddr, pmac->addr_2, ADDRLEN);
} else { /* Adhoc */
memcpy(destaddr, pmac->addr_1, ADDRLEN);
memcpy(srcaddr, pmac->addr_2, ADDRLEN);
}
}
#ifdef PCMCIA_DEBUG
if (pc_debug > 3) {
int i;
printk(KERN_DEBUG "skb->data before untranslate");
for (i=0;i<64;i++)
printk("%02x ",skb->data[i]);
printk("\n" KERN_DEBUG "type = %08x, xsap = %08x, org = %08x\n",
type,xsap,org);
printk(KERN_DEBUG "untranslate skb->data = %p\n",skb->data);
}
#endif
if ( xsap != SNAP_ID) {
/* not a snap type so leave it alone */
DEBUG(3,"ray_cs untranslate NOT SNAP %x\n", *(unsigned int *)psnap & 0x00ffffff);
delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
peth = (struct ethhdr *)(skb->data + delta);
peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
}
else { /* Its a SNAP */
if (org == BRIDGE_ENCAP) { /* EtherII and nuke the LLC */
DEBUG(3,"ray_cs untranslate Bridge encap\n");
delta = RX_MAC_HEADER_LENGTH
+ sizeof(struct snaphdr_t) - ETH_HLEN;
peth = (struct ethhdr *)(skb->data + delta);
peth->h_proto = type;
}
else {
if (org == RFC1042_ENCAP) {
switch (type) {
case RAY_IPX_TYPE:
case APPLEARP_TYPE:
DEBUG(3,"ray_cs untranslate RFC IPX/AARP\n");
delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
peth = (struct ethhdr *)(skb->data + delta);
peth->h_proto = htons(len - RX_MAC_HEADER_LENGTH);
break;
default:
DEBUG(3,"ray_cs untranslate RFC default\n");
delta = RX_MAC_HEADER_LENGTH +
sizeof(struct snaphdr_t) - ETH_HLEN;
peth = (struct ethhdr *)(skb->data + delta);
peth->h_proto = type;
break;
}
}
else {
printk("ray_cs untranslate very confused by packet\n");
delta = RX_MAC_HEADER_LENGTH - ETH_HLEN;
peth = (struct ethhdr *)(skb->data + delta);
peth->h_proto = type;
}
}
}
/* TBD reserve skb_reserve(skb, delta); */
skb_pull(skb, delta);
DEBUG(3,"untranslate after skb_pull(%d), skb->data = %p\n",delta,skb->data);
memcpy(peth->h_dest, destaddr, ADDRLEN);
memcpy(peth->h_source, srcaddr, ADDRLEN);
#ifdef PCMCIA_DEBUG
if (pc_debug > 3) {
int i;
printk(KERN_DEBUG "skb->data after untranslate:");
for (i=0;i<64;i++)
printk("%02x ",skb->data[i]);
printk("\n");
}
#endif
} /* end untranslate */
/*===========================================================================*/
/* Copy data from circular receive buffer to PC memory.
* dest = destination address in PC memory
* pkt_addr = source address in receive buffer
* len = length of packet to copy
*/
static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int length)
{
int wrap_bytes = (pkt_addr + length) - (RX_BUFF_END + 1);
if (wrap_bytes <= 0)
{
memcpy_fromio(dest,local->rmem + pkt_addr,length);
}
else /* Packet wrapped in circular buffer */
{
memcpy_fromio(dest,local->rmem+pkt_addr,length - wrap_bytes);
memcpy_fromio(dest + length - wrap_bytes, local->rmem, wrap_bytes);
}
return length;
}
/*===========================================================================*/
static void release_frag_chain(ray_dev_t *local, struct rcs __iomem * prcs)
{
struct rcs __iomem *prcslink = prcs;
int tmp = 17;
unsigned rcsindex = readb(&prcs->var.rx_packet.next_frag_rcs_index);
while (tmp--) {
writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
if (rcsindex >= (NUMBER_OF_CCS + NUMBER_OF_RCS)) {
DEBUG(1,"ray_cs interrupt bad rcsindex = 0x%x\n",rcsindex);
break;
}
prcslink = rcs_base(local) + rcsindex;
rcsindex = readb(&prcslink->var.rx_packet.next_frag_rcs_index);
}
writeb(CCS_BUFFER_FREE, &prcslink->buffer_status);
}
/*===========================================================================*/
static void authenticate(ray_dev_t *local)
{
dev_link_t *link = local->finder;
DEBUG(0,"ray_cs Starting authentication.\n");
if (!(link->state & DEV_PRESENT)) {
DEBUG(2,"ray_cs authenticate - device not present\n");
return;
}
del_timer(&local->timer);
if (build_auth_frame(local, local->bss_id, OPEN_AUTH_REQUEST)) {
local->timer.function = &join_net;
}
else {
local->timer.function = &authenticate_timeout;
}
local->timer.expires = jiffies + HZ*2;
local->timer.data = (long)local;
add_timer(&local->timer);
local->authentication_state = AWAITING_RESPONSE;
} /* end authenticate */
/*===========================================================================*/
static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs,
unsigned int pkt_addr, int rx_len)
{
UCHAR buff[256];
struct rx_msg *msg = (struct rx_msg *)buff;
del_timer(&local->timer);
copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
/* if we are trying to get authenticated */
if (local->sparm.b4.a_network_type == ADHOC) {
DEBUG(1,"ray_cs rx_auth var= %02x %02x %02x %02x %02x %02x\n", msg->var[0],msg->var[1],msg->var[2],msg->var[3],msg->var[4],msg->var[5]);
if (msg->var[2] == 1) {
DEBUG(0,"ray_cs Sending authentication response.\n");
if (!build_auth_frame (local, msg->mac.addr_2, OPEN_AUTH_RESPONSE)) {
local->authentication_state = NEED_TO_AUTH;
memcpy(local->auth_id, msg->mac.addr_2, ADDRLEN);
}
}
}
else /* Infrastructure network */
{
if (local->authentication_state == AWAITING_RESPONSE) {
/* Verify authentication sequence #2 and success */
if (msg->var[2] == 2) {
if ((msg->var[3] | msg->var[4]) == 0) {
DEBUG(1,"Authentication successful\n");
local->card_status = CARD_AUTH_COMPLETE;
associate(local);
local->authentication_state = AUTHENTICATED;
}
else {
DEBUG(0,"Authentication refused\n");
local->card_status = CARD_AUTH_REFUSED;
join_net((u_long)local);
local->authentication_state = UNAUTHENTICATED;
}
}
}
}
} /* end rx_authenticate */
/*===========================================================================*/
static void associate(ray_dev_t *local)
{
struct ccs __iomem *pccs;
dev_link_t *link = local->finder;
struct net_device *dev = link->priv;
int ccsindex;
if (!(link->state & DEV_PRESENT)) {
DEBUG(2,"ray_cs associate - device not present\n");
return;
}
/* If no tx buffers available, return*/
if ((ccsindex = get_free_ccs(local)) < 0)
{
/* TBD should never be here but... what if we are? */
DEBUG(1,"ray_cs associate - No free ccs\n");
return;
}
DEBUG(1,"ray_cs Starting association with access point\n");
pccs = ccs_base(local) + ccsindex;
/* fill in the CCS */
writeb(CCS_START_ASSOCIATION, &pccs->cmd);
/* Interrupt the firmware to process the command */
if (interrupt_ecf(local, ccsindex)) {
DEBUG(1,"ray_cs associate failed - ECF not ready for intr\n");
writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
del_timer(&local->timer);
local->timer.expires = jiffies + HZ*2;
local->timer.data = (long)local;
local->timer.function = &join_net;
add_timer(&local->timer);
local->card_status = CARD_ASSOC_FAILED;
return;
}
if (!sniffer) netif_start_queue(dev);
} /* end associate */
/*===========================================================================*/
static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs,
unsigned int pkt_addr, int rx_len)
{
/* UCHAR buff[256];
struct rx_msg *msg = (struct rx_msg *)buff;
*/
DEBUG(0,"Deauthentication frame received\n");
local->authentication_state = UNAUTHENTICATED;
/* Need to reauthenticate or rejoin depending on reason code */
/* copy_from_rx_buff(local, buff, pkt_addr, rx_len & 0xff);
*/
}
/*===========================================================================*/
static void clear_interrupt(ray_dev_t *local)
{
writeb(0, local->amem + CIS_OFFSET + HCS_INTR_OFFSET);
}
/*===========================================================================*/
#ifdef CONFIG_PROC_FS
#define MAXDATA (PAGE_SIZE - 80)
static char *card_status[] = {
"Card inserted - uninitialized", /* 0 */
"Card not downloaded", /* 1 */
"Waiting for download parameters", /* 2 */
"Card doing acquisition", /* 3 */
"Acquisition complete", /* 4 */
"Authentication complete", /* 5 */
"Association complete", /* 6 */
"???", "???", "???", "???", /* 7 8 9 10 undefined */
"Card init error", /* 11 */
"Download parameters error", /* 12 */
"???", /* 13 */
"Acquisition failed", /* 14 */
"Authentication refused", /* 15 */
"Association failed" /* 16 */
};
static char *nettype[] = {"Adhoc", "Infra "};
static char *framing[] = {"Encapsulation", "Translation"}
;
/*===========================================================================*/
static int ray_cs_proc_read(char *buf, char **start, off_t offset, int len)
{
/* Print current values which are not available via other means
* eg ifconfig
*/
int i;
dev_link_t *link;
struct net_device *dev;
ray_dev_t *local;
UCHAR *p;
struct freq_hop_element *pfh;
UCHAR c[33];
link = dev_list;
if (!link)
return 0;
dev = (struct net_device *)link->priv;
if (!dev)
return 0;
local = (ray_dev_t *)dev->priv;
if (!local)
return 0;
len = 0;
len += sprintf(buf + len, "Raylink Wireless LAN driver status\n");
len += sprintf(buf + len, "%s\n", rcsid);
/* build 4 does not report version, and field is 0x55 after memtest */
len += sprintf(buf + len, "Firmware version = ");
if (local->fw_ver == 0x55)
len += sprintf(buf + len, "4 - Use dump_cis for more details\n");
else
len += sprintf(buf + len, "%2d.%02d.%02d\n",
local->fw_ver, local->fw_bld, local->fw_var);
for (i=0; i<32; i++) c[i] = local->sparm.b5.a_current_ess_id[i];
c[32] = 0;
len += sprintf(buf + len, "%s network ESSID = \"%s\"\n",
nettype[local->sparm.b5.a_network_type], c);
p = local->bss_id;
len += sprintf(buf + len,
"BSSID = %02x:%02x:%02x:%02x:%02x:%02x\n",
p[0],p[1],p[2],p[3],p[4],p[5]);
len += sprintf(buf + len, "Country code = %d\n",
local->sparm.b5.a_curr_country_code);
i = local->card_status;
if (i < 0) i = 10;
if (i > 16) i = 10;
len += sprintf(buf + len, "Card status = %s\n", card_status[i]);
len += sprintf(buf + len, "Framing mode = %s\n",framing[translate]);
len += sprintf(buf + len, "Last pkt signal lvl = %d\n", local->last_rsl);
if (local->beacon_rxed) {
/* Pull some fields out of last beacon received */
len += sprintf(buf + len, "Beacon Interval = %d Kus\n",
local->last_bcn.beacon_intvl[0]
+ 256 * local->last_bcn.beacon_intvl[1]);
p = local->last_bcn.elements;
if (p[0] == C_ESSID_ELEMENT_ID) p += p[1] + 2;
else {
len += sprintf(buf + len, "Parse beacon failed at essid element id = %d\n",p[0]);
return len;
}
if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) {
len += sprintf(buf + len, "Supported rate codes = ");
for (i=2; i<p[1] + 2; i++)
len += sprintf(buf + len, "0x%02x ", p[i]);
len += sprintf(buf + len, "\n");
p += p[1] + 2;
}
else {
len += sprintf(buf + len, "Parse beacon failed at rates element\n");
return len;
}
if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) {
pfh = (struct freq_hop_element *)p;
len += sprintf(buf + len, "Hop dwell = %d Kus\n",
pfh->dwell_time[0] + 256 * pfh->dwell_time[1]);
len += sprintf(buf + len, "Hop set = %d \n", pfh->hop_set);
len += sprintf(buf + len, "Hop pattern = %d \n", pfh->hop_pattern);
len += sprintf(buf + len, "Hop index = %d \n", pfh->hop_index);
p += p[1] + 2;
}
else {
len += sprintf(buf + len, "Parse beacon failed at FH param element\n");
return len;
}
} else {
len += sprintf(buf + len, "No beacons received\n");
}
return len;
}
#endif
/*===========================================================================*/
static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type)
{
int addr;
struct ccs __iomem *pccs;
struct tx_msg __iomem *ptx;
int ccsindex;
/* If no tx buffers available, return */
if ((ccsindex = get_free_tx_ccs(local)) < 0)
{
DEBUG(1,"ray_cs send authenticate - No free tx ccs\n");
return -1;
}
pccs = ccs_base(local) + ccsindex;
/* Address in card space */
addr = TX_BUF_BASE + (ccsindex << 11);
/* fill in the CCS */
writeb(CCS_TX_REQUEST, &pccs->cmd);
writeb(addr >> 8, pccs->var.tx_request.tx_data_ptr);
writeb(0x20, pccs->var.tx_request.tx_data_ptr + 1);
writeb(TX_AUTHENTICATE_LENGTH_MSB, pccs->var.tx_request.tx_data_length);
writeb(TX_AUTHENTICATE_LENGTH_LSB,pccs->var.tx_request.tx_data_length + 1);
writeb(0, &pccs->var.tx_request.pow_sav_mode);
ptx = local->sram + addr;
/* fill in the mac header */
writeb(PROTOCOL_VER | AUTHENTIC_TYPE, &ptx->mac.frame_ctl_1);
writeb(0, &ptx->mac.frame_ctl_2);
memcpy_toio(ptx->mac.addr_1, dest, ADDRLEN);
memcpy_toio(ptx->mac.addr_2, local->sparm.b4.a_mac_addr, ADDRLEN);
memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN);
/* Fill in msg body with protocol 00 00, sequence 01 00 ,status 00 00 */
memset_io(ptx->var, 0, 6);
writeb(auth_type & 0xff, ptx->var + 2);
/* Interrupt the firmware to process the command */
if (interrupt_ecf(local, ccsindex)) {
DEBUG(1,"ray_cs send authentication request failed - ECF not ready for intr\n");
writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status);
return -1;
}
return 0;
} /* End build_auth_frame */
/*===========================================================================*/
#ifdef CONFIG_PROC_FS
static void raycs_write(const char *name, write_proc_t *w, void *data)
{
struct proc_dir_entry * entry = create_proc_entry(name, S_IFREG | S_IWUSR, NULL);
if (entry) {
entry->write_proc = w;
entry->data = data;
}
}
static int write_essid(struct file *file, const char __user *buffer, unsigned long count, void *data)
{
static char proc_essid[33];
int len = count;
if (len > 32)
len = 32;
memset(proc_essid, 0, 33);
if (copy_from_user(proc_essid, buffer, len))
return -EFAULT;
essid = proc_essid;
return count;
}
static int write_int(struct file *file, const char __user *buffer, unsigned long count, void *data)
{
static char proc_number[10];
char *p;
int nr, len;
if (!count)
return 0;
if (count > 9)
return -EINVAL;
if (copy_from_user(proc_number, buffer, count))
return -EFAULT;
p = proc_number;
nr = 0;
len = count;
do {
unsigned int c = *p - '0';
if (c > 9)
return -EINVAL;
nr = nr*10 + c;
p++;
} while (--len);
*(int *)data = nr;
return count;
}
#endif
static struct pcmcia_device_id ray_ids[] = {
PCMCIA_DEVICE_MANF_CARD(0x01a6, 0x0000),
PCMCIA_DEVICE_NULL,
};
MODULE_DEVICE_TABLE(pcmcia, ray_ids);
static struct pcmcia_driver ray_driver = {
.owner = THIS_MODULE,
.drv = {
.name = "ray_cs",
},
.attach = ray_attach,
.event = ray_event,
.detach = ray_detach,
.id_table = ray_ids,
};
static int __init init_ray_cs(void)
{
int rc;
DEBUG(1, "%s\n", rcsid);
rc = pcmcia_register_driver(&ray_driver);
DEBUG(1, "raylink init_module register_pcmcia_driver returns 0x%x\n",rc);
#ifdef CONFIG_PROC_FS
proc_mkdir("driver/ray_cs", NULL);
create_proc_info_entry("driver/ray_cs/ray_cs", 0, NULL, &ray_cs_proc_read);
raycs_write("driver/ray_cs/essid", write_essid, NULL);
raycs_write("driver/ray_cs/net_type", write_int, &net_type);
raycs_write("driver/ray_cs/translate", write_int, &translate);
#endif
if (translate != 0) translate = 1;
return 0;
} /* init_ray_cs */
/*===========================================================================*/
static void __exit exit_ray_cs(void)
{
DEBUG(0, "ray_cs: cleanup_module\n");
#ifdef CONFIG_PROC_FS
remove_proc_entry("driver/ray_cs/ray_cs", NULL);
remove_proc_entry("driver/ray_cs/essid", NULL);
remove_proc_entry("driver/ray_cs/net_type", NULL);
remove_proc_entry("driver/ray_cs/translate", NULL);
remove_proc_entry("driver/ray_cs", NULL);
#endif
pcmcia_unregister_driver(&ray_driver);
BUG_ON(dev_list != NULL);
} /* exit_ray_cs */
module_init(init_ray_cs);
module_exit(exit_ray_cs);
/*===========================================================================*/
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