diff options
Diffstat (limited to 'drivers/net/wireless/legacy/ray_cs.c')
| -rw-r--r-- | drivers/net/wireless/legacy/ray_cs.c | 2824 |
1 files changed, 0 insertions, 2824 deletions
diff --git a/drivers/net/wireless/legacy/ray_cs.c b/drivers/net/wireless/legacy/ray_cs.c deleted file mode 100644 index c95a79e01cd0..000000000000 --- a/drivers/net/wireless/legacy/ray_cs.c +++ /dev/null @@ -1,2824 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/*============================================================================= - * - * 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) - * - * 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/module.h> -#include <linux/kernel.h> -#include <linux/proc_fs.h> -#include <linux/ptrace.h> -#include <linux/seq_file.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/ieee80211.h> - -#include <pcmcia/cistpl.h> -#include <pcmcia/cisreg.h> -#include <pcmcia/ds.h> - -#include <linux/wireless.h> -#include <net/iw_handler.h> - -#include <asm/io.h> -#include <asm/byteorder.h> -#include <linux/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" - - -/** Prototypes based on PCMCIA skeleton driver *******************************/ -static int ray_config(struct pcmcia_device *link); -static void ray_release(struct pcmcia_device *link); -static void ray_detach(struct pcmcia_device *p_dev); - -/***** 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 int ray_open(struct net_device *dev); -static netdev_tx_t 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 void authenticate(ray_dev_t *local); -static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type); -static void authenticate_timeout(struct timer_list *t); -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(struct timer_list *t); - -/* Prototypes for interrpt time functions **********************************/ -static irqreturn_t ray_interrupt(int reg, void *dev_id); -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(struct timer_list *t); -static void start_net(struct timer_list *t); - -/*===========================================================================*/ -/* 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 bool translate = true; - -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; - -static unsigned int ray_mem_speed = 500; - -/* WARNING: THIS DRIVER IS NOT CAPABLE OF HANDLING MULTIPLE DEVICES! */ -static struct pcmcia_device *this_device = NULL; - -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, bool, 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 const 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 const 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 */ - 0, /* rx/tx delay */ - 0, 0, 0, 0, 0, 0, /* current BSS id */ - 0 /* hop set */ -}; - -/*===========================================================================*/ -static const u8 eth2_llc[] = { 0xaa, 0xaa, 3, 0, 0, 0 }; - -static const 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 const char rcsid[] = - "Raylink/WebGear wireless LAN - Corey <Thomas corey@world.std.com>"; - -static const struct net_device_ops ray_netdev_ops = { - .ndo_init = ray_dev_init, - .ndo_open = ray_open, - .ndo_stop = ray_dev_close, - .ndo_start_xmit = ray_dev_start_xmit, - .ndo_set_config = ray_dev_config, - .ndo_get_stats = ray_get_stats, - .ndo_set_rx_mode = set_multicast_list, - .ndo_set_mac_address = eth_mac_addr, - .ndo_validate_addr = eth_validate_addr, -}; - -static int ray_probe(struct pcmcia_device *p_dev) -{ - ray_dev_t *local; - struct net_device *dev; - int ret; - - dev_dbg(&p_dev->dev, "ray_attach()\n"); - - /* Allocate space for private device-specific data */ - dev = alloc_etherdev(sizeof(ray_dev_t)); - if (!dev) - return -ENOMEM; - - local = netdev_priv(dev); - local->finder = p_dev; - - /* The io structure describes IO port mapping. None used here */ - p_dev->resource[0]->end = 0; - p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8; - - /* General socket configuration */ - p_dev->config_flags |= CONF_ENABLE_IRQ; - p_dev->config_index = 1; - - p_dev->priv = dev; - - local->finder = p_dev; - local->card_status = CARD_INSERTED; - local->authentication_state = UNAUTHENTICATED; - local->num_multi = 0; - dev_dbg(&p_dev->dev, "ray_attach p_dev = %p, dev = %p, local = %p, intr = %p\n", - p_dev, dev, local, &ray_interrupt); - - /* Raylink entries in the device structure */ - dev->netdev_ops = &ray_netdev_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_dbg(&p_dev->dev, "ray_cs ray_attach calling ether_setup.)\n"); - netif_stop_queue(dev); - - timer_setup(&local->timer, NULL, 0); - - this_device = p_dev; - ret = ray_config(p_dev); - if (ret) - goto err_free_dev; - - return 0; - -err_free_dev: - free_netdev(dev); - return ret; -} - -static void ray_detach(struct pcmcia_device *link) -{ - struct net_device *dev; - - dev_dbg(&link->dev, "ray_detach\n"); - - this_device = NULL; - dev = link->priv; - - ray_release(link); - - if (link->priv) { - unregister_netdev(dev); - free_netdev(dev); - } - dev_dbg(&link->dev, "ray_cs ray_detach ending\n"); -} /* ray_detach */ - -#define MAX_TUPLE_SIZE 128 -static int ray_config(struct pcmcia_device *link) -{ - int ret = 0; - int i; - struct net_device *dev = link->priv; - ray_dev_t *local = netdev_priv(dev); - - dev_dbg(&link->dev, "ray_config\n"); - - /* Determine card type and firmware version */ - printk(KERN_INFO "ray_cs Detected: %s%s%s%s\n", - link->prod_id[0] ? link->prod_id[0] : " ", - link->prod_id[1] ? link->prod_id[1] : " ", - link->prod_id[2] ? link->prod_id[2] : " ", - link->prod_id[3] ? link->prod_id[3] : " "); - - /* Now allocate an interrupt line. Note that this does not - actually assign a handler to the interrupt. - */ - ret = pcmcia_request_irq(link, ray_interrupt); - if (ret) - goto failed; - dev->irq = link->irq; - - ret = pcmcia_enable_device(link); - if (ret) - goto failed; - -/*** Set up 32k window for shared memory (transmit and control) ************/ - link->resource[2]->flags |= WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT; - link->resource[2]->start = 0; - link->resource[2]->end = 0x8000; - ret = pcmcia_request_window(link, link->resource[2], ray_mem_speed); - if (ret) - goto failed; - ret = pcmcia_map_mem_page(link, link->resource[2], 0); - if (ret) - goto failed; - local->sram = ioremap(link->resource[2]->start, - resource_size(link->resource[2])); - if (!local->sram) - goto failed; - -/*** Set up 16k window for shared memory (receive buffer) ***************/ - link->resource[3]->flags |= - WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT; - link->resource[3]->start = 0; - link->resource[3]->end = 0x4000; - ret = pcmcia_request_window(link, link->resource[3], ray_mem_speed); - if (ret) - goto failed; - ret = pcmcia_map_mem_page(link, link->resource[3], 0x8000); - if (ret) - goto failed; - local->rmem = ioremap(link->resource[3]->start, - resource_size(link->resource[3])); - if (!local->rmem) - goto failed; - -/*** Set up window for attribute memory ***********************************/ - link->resource[4]->flags |= - WIN_DATA_WIDTH_8 | WIN_MEMORY_TYPE_AM | WIN_ENABLE | WIN_USE_WAIT; - link->resource[4]->start = 0; - link->resource[4]->end = 0x1000; - ret = pcmcia_request_window(link, link->resource[4], ray_mem_speed); - if (ret) - goto failed; - ret = pcmcia_map_mem_page(link, link->resource[4], 0); - if (ret) - goto failed; - local->amem = ioremap(link->resource[4]->start, - resource_size(link->resource[4])); - if (!local->amem) - goto failed; - - dev_dbg(&link->dev, "ray_config sram=%p\n", local->sram); - dev_dbg(&link->dev, "ray_config rmem=%p\n", local->rmem); - dev_dbg(&link->dev, "ray_config amem=%p\n", local->amem); - if (ray_init(dev) < 0) { - ray_release(link); - return -ENODEV; - } - - SET_NETDEV_DEV(dev, &link->dev); - i = register_netdev(dev); - if (i != 0) { - printk("ray_config register_netdev() failed\n"); - ray_release(link); - return i; - } - - printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %pM\n", - dev->name, dev->irq, dev->dev_addr); - - return 0; - -failed: - ray_release(link); - return -ENODEV; -} /* 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; - struct ccs __iomem *pccs; - ray_dev_t *local = netdev_priv(dev); - struct pcmcia_device *link = local->finder; - dev_dbg(&link->dev, "ray_init(0x%p)\n", dev); - if (!(pcmcia_dev_present(link))) { - dev_dbg(&link->dev, "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]; - dev_dbg(&link->dev, "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; - dev_dbg(&link->dev, "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)) { - memcpy(&local->sparm.b4.a_mac_addr, - &local->startup_res.station_addr, ADDRLEN); - } - - clear_interrupt(local); /* Clear any interrupt from the card */ - local->card_status = CARD_AWAITING_PARAM; - dev_dbg(&link->dev, "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 = netdev_priv(dev); - struct ccs __iomem *pccs; - struct pcmcia_device *link = local->finder; - - dev_dbg(&link->dev, "dl_startup_params entered\n"); - if (!(pcmcia_dev_present(link))) { - dev_dbg(&link->dev, "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); - dev_dbg(&link->dev, "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.function = verify_dl_startup; - add_timer(&local->timer); - dev_dbg(&link->dev, - "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(&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) - strscpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE); -} /* init_startup_params */ - -/*===========================================================================*/ -static void verify_dl_startup(struct timer_list *t) -{ - ray_dev_t *local = from_timer(local, t, timer); - struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs; - UCHAR status; - struct pcmcia_device *link = local->finder; - - if (!(pcmcia_dev_present(link))) { - dev_dbg(&link->dev, "ray_cs verify_dl_startup - device not present\n"); - return; - } -#if 0 - { - 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(&local->timer); - else - join_net(&local->timer); -} /* end verify_dl_startup */ - -/*===========================================================================*/ -/* Command card to start a network */ -static void start_net(struct timer_list *t) -{ - ray_dev_t *local = from_timer(local, t, timer); - struct ccs __iomem *pccs; - int ccsindex; - struct pcmcia_device *link = local->finder; - if (!(pcmcia_dev_present(link))) { - dev_dbg(&link->dev, "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)) { - dev_dbg(&link->dev, "ray start net failed - card not ready for intr\n"); - writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); - return; - } - local->card_status = CARD_DOING_ACQ; -} /* end start_net */ - -/*===========================================================================*/ -/* Command card to join a network */ -static void join_net(struct timer_list *t) -{ - ray_dev_t *local = from_timer(local, t, timer); - - struct ccs __iomem *pccs; - int ccsindex; - struct pcmcia_device *link = local->finder; - - if (!(pcmcia_dev_present(link))) { - dev_dbg(&link->dev, "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)) { - dev_dbg(&link->dev, "ray join net failed - card not ready for intr\n"); - writeb(CCS_BUFFER_FREE, &(pccs++)->buffer_status); - return; - } - local->card_status = CARD_DOING_ACQ; -} - - -static void ray_release(struct pcmcia_device *link) -{ - struct net_device *dev = link->priv; - ray_dev_t *local = netdev_priv(dev); - - dev_dbg(&link->dev, "ray_release\n"); - - del_timer_sync(&local->timer); - - if (local->sram) - iounmap(local->sram); - if (local->rmem) - iounmap(local->rmem); - if (local->amem) - iounmap(local->amem); - pcmcia_disable_device(link); - - dev_dbg(&link->dev, "ray_release ending\n"); -} - -static int ray_suspend(struct pcmcia_device *link) -{ - struct net_device *dev = link->priv; - - if (link->open) - netif_device_detach(dev); - - return 0; -} - -static int ray_resume(struct pcmcia_device *link) -{ - struct net_device *dev = link->priv; - - if (link->open) { - ray_reset(dev); - netif_device_attach(dev); - } - - return 0; -} - -/*===========================================================================*/ -static int ray_dev_init(struct net_device *dev) -{ -#ifdef RAY_IMMEDIATE_INIT - int i; -#endif /* RAY_IMMEDIATE_INIT */ - ray_dev_t *local = netdev_priv(dev); - struct pcmcia_device *link = local->finder; - - dev_dbg(&link->dev, "ray_dev_init(dev=%p)\n", dev); - if (!(pcmcia_dev_present(link))) { - dev_dbg(&link->dev, "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 */ - dev_dbg(&link->dev, - "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 */ - eth_hw_addr_set(dev, local->sparm.b4.a_mac_addr); - eth_broadcast_addr(dev->broadcast); - - dev_dbg(&link->dev, "ray_dev_init ending\n"); - return 0; -} - -/*===========================================================================*/ -static int ray_dev_config(struct net_device *dev, struct ifmap *map) -{ - ray_dev_t *local = netdev_priv(dev); - struct pcmcia_device *link = local->finder; - /* Dummy routine to satisfy device structure */ - dev_dbg(&link->dev, "ray_dev_config(dev=%p,ifmap=%p)\n", dev, map); - if (!(pcmcia_dev_present(link))) { - dev_dbg(&link->dev, "ray_dev_config - device not present\n"); - return -1; - } - - return 0; -} - -/*===========================================================================*/ -static netdev_tx_t ray_dev_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - ray_dev_t *local = netdev_priv(dev); - struct pcmcia_device *link = local->finder; - short length = skb->len; - - if (!pcmcia_dev_present(link)) { - dev_dbg(&link->dev, "ray_dev_start_xmit - device not present\n"); - dev_kfree_skb(skb); - return NETDEV_TX_OK; - } - - dev_dbg(&link->dev, "ray_dev_start_xmit(skb=%p, dev=%p)\n", skb, dev); - if (local->authentication_state == NEED_TO_AUTH) { - dev_dbg(&link->dev, "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 NETDEV_TX_BUSY; - } - } - - if (length < ETH_ZLEN) { - if (skb_padto(skb, ETH_ZLEN)) - return NETDEV_TX_OK; - 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 NETDEV_TX_BUSY; - case XMIT_NO_INTR: - case XMIT_MSG_BAD: - case XMIT_OK: - default: - dev_kfree_skb(skb); - } - - return NETDEV_TX_OK; -} /* 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 = netdev_priv(dev); - 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 */ - - pr_debug("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: - pr_debug("ray_hw_xmit tx_ccs table busy\n"); - fallthrough; - case ECCSFULL: - pr_debug("ray_hw_xmit No free tx ccs\n"); - fallthrough; - 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); - pr_debug("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)) { - pr_debug("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) -{ - __be16 proto = ((struct ethhdr *)data)->h_proto; - if (ntohs(proto) >= ETH_P_802_3_MIN) { /* DIX II ethernet frame */ - pr_debug("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 == htons(ETH_P_AARP) || proto == htons(ETH_P_IPX)) { - /* This is the selective translation table, only 2 entries */ - writeb(0xf8, - &((struct snaphdr_t __iomem *)ptx->var)->org[2]); - } - /* 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 */ - pr_debug("ray_cs translate_frame 802\n"); - if (proto == htons(0xffff)) { /* evil netware IPX 802.3 without LLC */ - pr_debug("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, - ADDRLEN); - memcpy_toio(ptx->mac.addr_2, ((struct ethhdr *)data)->h_source, - 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 */ - -/*====================================================================*/ - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get protocol name - */ -static int ray_get_name(struct net_device *dev, struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - strcpy(wrqu->name, "IEEE 802.11-FH"); - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set frequency - */ -static int ray_set_freq(struct net_device *dev, struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - ray_dev_t *local = netdev_priv(dev); - 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 ((wrqu->freq.m > USA_HOP_MOD) || (wrqu->freq.e > 0)) - err = -EOPNOTSUPP; - else - local->sparm.b5.a_hop_pattern = wrqu->freq.m; - - return err; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get frequency - */ -static int ray_get_freq(struct net_device *dev, struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - ray_dev_t *local = netdev_priv(dev); - - wrqu->freq.m = local->sparm.b5.a_hop_pattern; - wrqu->freq.e = 0; - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set ESSID - */ -static int ray_set_essid(struct net_device *dev, struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - ray_dev_t *local = netdev_priv(dev); - - /* Reject if card is already initialised */ - if (local->card_status != CARD_AWAITING_PARAM) - return -EBUSY; - - /* Check if we asked for `any' */ - if (wrqu->essid.flags == 0) - /* Corey : can you do that ? */ - return -EOPNOTSUPP; - - /* Check the size of the string */ - if (wrqu->essid.length > IW_ESSID_MAX_SIZE) - 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, wrqu->essid.length); - - return -EINPROGRESS; /* Call commit handler */ -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get ESSID - */ -static int ray_get_essid(struct net_device *dev, struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - ray_dev_t *local = netdev_priv(dev); - UCHAR tmp[IW_ESSID_MAX_SIZE + 1]; - - /* Get the essid that was set */ - memcpy(extra, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE); - memcpy(tmp, local->sparm.b5.a_current_ess_id, IW_ESSID_MAX_SIZE); - tmp[IW_ESSID_MAX_SIZE] = '\0'; - - /* Push it out ! */ - wrqu->essid.length = strlen(tmp); - wrqu->essid.flags = 1; /* active */ - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get AP address - */ -static int ray_get_wap(struct net_device *dev, struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - ray_dev_t *local = netdev_priv(dev); - - memcpy(wrqu->ap_addr.sa_data, local->bss_id, ETH_ALEN); - wrqu->ap_addr.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, - union iwreq_data *wrqu, char *extra) -{ - ray_dev_t *local = netdev_priv(dev); - - /* Reject if card is already initialised */ - if (local->card_status != CARD_AWAITING_PARAM) - return -EBUSY; - - /* Check if rate is in range */ - if ((wrqu->bitrate.value != 1000000) && (wrqu->bitrate.value != 2000000)) - return -EINVAL; - - /* Hack for 1.5 Mb/s instead of 2 Mb/s */ - if ((local->fw_ver == 0x55) && /* Please check */ - (wrqu->bitrate.value == 2000000)) - local->net_default_tx_rate = 3; - else - local->net_default_tx_rate = wrqu->bitrate.value / 500000; - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get Bit-Rate - */ -static int ray_get_rate(struct net_device *dev, struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - ray_dev_t *local = netdev_priv(dev); - - if (local->net_default_tx_rate == 3) - wrqu->bitrate.value = 2000000; /* Hum... */ - else - wrqu->bitrate.value = local->net_default_tx_rate * 500000; - wrqu->bitrate.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, - union iwreq_data *wrqu, char *extra) -{ - ray_dev_t *local = netdev_priv(dev); - int rthr = wrqu->rts.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 (wrqu->rts.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, - union iwreq_data *wrqu, char *extra) -{ - ray_dev_t *local = netdev_priv(dev); - - wrqu->rts.value = (local->sparm.b5.a_rts_threshold[0] << 8) - + local->sparm.b5.a_rts_threshold[1]; - wrqu->rts.disabled = (wrqu->rts.value == 32767); - wrqu->rts.fixed = 1; - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set Fragmentation threshold - */ -static int ray_set_frag(struct net_device *dev, struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - ray_dev_t *local = netdev_priv(dev); - int fthr = wrqu->frag.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 (wrqu->frag.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, - union iwreq_data *wrqu, char *extra) -{ - ray_dev_t *local = netdev_priv(dev); - - wrqu->frag.value = (local->sparm.b5.a_frag_threshold[0] << 8) - + local->sparm.b5.a_frag_threshold[1]; - wrqu->frag.disabled = (wrqu->frag.value == 32767); - wrqu->frag.fixed = 1; - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : set Mode of Operation - */ -static int ray_set_mode(struct net_device *dev, struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - ray_dev_t *local = netdev_priv(dev); - 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 (wrqu->mode) { - case IW_MODE_ADHOC: - card_mode = 0; - fallthrough; - 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, - union iwreq_data *wrqu, char *extra) -{ - ray_dev_t *local = netdev_priv(dev); - - if (local->sparm.b5.a_network_type) - wrqu->mode = IW_MODE_INFRA; - else - wrqu->mode = IW_MODE_ADHOC; - - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Wireless Handler : get range info - */ -static int ray_get_range(struct net_device *dev, struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - struct iw_range *range = (struct iw_range *)extra; - - memset(range, 0, sizeof(struct iw_range)); - - /* Set the length (very important for backward compatibility) */ - wrqu->data.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, - union iwreq_data *wrqu, char *extra) -{ - return 0; -} - -/*------------------------------------------------------------------*/ -/* - * Stats handler : return Wireless Stats - */ -static iw_stats *ray_get_wireless_stats(struct net_device *dev) -{ - ray_dev_t *local = netdev_priv(dev); - struct pcmcia_device *link = local->finder; - struct status __iomem *p = local->sram + STATUS_BASE; - - 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 (pcmcia_dev_present(link)) { - 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[] = { - IW_HANDLER(SIOCSIWCOMMIT, ray_commit), - IW_HANDLER(SIOCGIWNAME, ray_get_name), - IW_HANDLER(SIOCSIWFREQ, ray_set_freq), - IW_HANDLER(SIOCGIWFREQ, ray_get_freq), - IW_HANDLER(SIOCSIWMODE, ray_set_mode), - IW_HANDLER(SIOCGIWMODE, ray_get_mode), - IW_HANDLER(SIOCGIWRANGE, ray_get_range), -#ifdef WIRELESS_SPY - IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy), - IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy), - IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy), - IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy), -#endif /* WIRELESS_SPY */ - IW_HANDLER(SIOCGIWAP, ray_get_wap), - IW_HANDLER(SIOCSIWESSID, ray_set_essid), - IW_HANDLER(SIOCGIWESSID, ray_get_essid), - IW_HANDLER(SIOCSIWRATE, ray_set_rate), - IW_HANDLER(SIOCGIWRATE, ray_get_rate), - IW_HANDLER(SIOCSIWRTS, ray_set_rts), - IW_HANDLER(SIOCGIWRTS, ray_get_rts), - IW_HANDLER(SIOCSIWFRAG, ray_set_frag), - IW_HANDLER(SIOCGIWFRAG, 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] = ray_set_framing, - [1] = ray_get_framing, - [3] = 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 = ARRAY_SIZE(ray_handler), - .num_private = ARRAY_SIZE(ray_private_handler), - .num_private_args = ARRAY_SIZE(ray_private_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) -{ - ray_dev_t *local = netdev_priv(dev); - struct pcmcia_device *link; - link = local->finder; - - dev_dbg(&link->dev, "ray_open('%s')\n", dev->name); - - 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; - - dev_dbg(&link->dev, "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); - - dev_dbg(&link->dev, "ray_open ending\n"); - return 0; -} /* end ray_open */ - -/*===========================================================================*/ -static int ray_dev_close(struct net_device *dev) -{ - ray_dev_t *local = netdev_priv(dev); - struct pcmcia_device *link; - link = local->finder; - - dev_dbg(&link->dev, "ray_dev_close('%s')\n", dev->name); - - 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) -{ - pr_debug("ray_reset entered\n"); -} - -/*===========================================================================*/ -/* 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; - struct pcmcia_device *link = local->finder; - - if (!(pcmcia_dev_present(link))) { - dev_dbg(&link->dev, "ray_cs interrupt_ecf - device not present\n"); - return -1; - } - dev_dbg(&link->dev, "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) { - dev_dbg(&link->dev, "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); - struct pcmcia_device *link = local->finder; - - if (!(pcmcia_dev_present(link))) { - dev_dbg(&link->dev, "ray_cs get_free_tx_ccs - device not present\n"); - return ECARDGONE; - } - - if (test_and_set_bit(0, &local->tx_ccs_lock)) { - dev_dbg(&link->dev, "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; - dev_dbg(&link->dev, "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); - struct pcmcia_device *link = local->finder; - - if (!(pcmcia_dev_present(link))) { - dev_dbg(&link->dev, "ray_cs get_free_ccs - device not present\n"); - return ECARDGONE; - } - if (test_and_set_bit(0, &local->ccs_lock)) { - dev_dbg(&link->dev, "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; - dev_dbg(&link->dev, "ray_cs ERROR no free CCS for raylink card\n"); - return ECCSFULL; -} /* get_free_ccs */ - -/*===========================================================================*/ -static void authenticate_timeout(struct timer_list *t) -{ - ray_dev_t *local = from_timer(local, t, timer); - del_timer(&local->timer); - printk(KERN_INFO "ray_cs Authentication with access point failed" - " - timeout\n"); - join_net(&local->timer); -} - -/*===========================================================================*/ -static int parse_addr(char *in_str, UCHAR *out) -{ - int i, k; - int len; - - if (in_str == NULL) - return 0; - len = strnlen(in_str, ADDRLEN * 2 + 1) - 1; - if (len < 1) - return 0; - memset(out, 0, ADDRLEN); - - i = 5; - - while (len > 0) { - if ((k = hex_to_bin(in_str[len--])) != -1) - out[i] = k; - else - return 0; - - if (len == 0) - break; - if ((k = hex_to_bin(in_str[len--])) != -1) - out[i] += k << 4; - else - return 0; - if (!i--) - break; - } - return 1; -} - -/*===========================================================================*/ -static struct net_device_stats *ray_get_stats(struct net_device *dev) -{ - ray_dev_t *local = netdev_priv(dev); - struct pcmcia_device *link = local->finder; - struct status __iomem *p = local->sram + STATUS_BASE; - if (!(pcmcia_dev_present(link))) { - dev_dbg(&link->dev, "ray_cs net_device_stats - device not present\n"); - return &local->stats; - } - if (readb(&p->mrx_overflow_for_host)) { - local->stats.rx_over_errors += swab16(readw(&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 += - swab16(readw(&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 += swab16(readw(&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 = netdev_priv(dev); - struct pcmcia_device *link = local->finder; - int ccsindex; - int i; - struct ccs __iomem *pccs; - - if (!(pcmcia_dev_present(link))) { - dev_dbg(&link->dev, "ray_update_parm - device not present\n"); - return; - } - - if ((ccsindex = get_free_ccs(local)) < 0) { - dev_dbg(&link->dev, "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)) { - dev_dbg(&link->dev, "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) -{ - int ccsindex; - struct ccs __iomem *pccs; - ray_dev_t *local = netdev_priv(dev); - struct pcmcia_device *link = local->finder; - void __iomem *p = local->sram + HOST_TO_ECF_BASE; - - if (!(pcmcia_dev_present(link))) { - dev_dbg(&link->dev, "ray_update_multi_list - device not present\n"); - return; - } else - dev_dbg(&link->dev, "ray_update_multi_list(%p)\n", dev); - if ((ccsindex = get_free_ccs(local)) < 0) { - dev_dbg(&link->dev, "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 { - struct netdev_hw_addr *ha; - int i = 0; - - /* Copy the kernel's list of MC addresses to card */ - netdev_for_each_mc_addr(ha, dev) { - memcpy_toio(p, ha->addr, ETH_ALEN); - dev_dbg(&link->dev, "ray_update_multi add addr %pm\n", - ha->addr); - p += ETH_ALEN; - i++; - } - if (i > 256 / ADDRLEN) - i = 256 / ADDRLEN; - writeb((UCHAR) i, &pccs->var); - dev_dbg(&link->dev, "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)) { - dev_dbg(&link->dev, - "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 = netdev_priv(dev); - UCHAR promisc; - - pr_debug("ray_cs set_multicast_list(%p)\n", dev); - - if (dev->flags & IFF_PROMISC) { - if (local->sparm.b5.a_promiscuous_mode == 0) { - pr_debug("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) { - pr_debug("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 != netdev_mc_count(dev)) - 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 net_device *dev = dev_id; - struct pcmcia_device *link; - ray_dev_t *local; - struct ccs __iomem *pccs; - struct rcs __iomem *prcs; - UCHAR rcsindex; - UCHAR tmp; - UCHAR cmd; - UCHAR status; - UCHAR memtmp[ESSID_SIZE + 1]; - - - if (dev == NULL) /* Note that we want interrupts with dev->start == 0 */ - return IRQ_NONE; - - pr_debug("ray_cs: interrupt for *dev=%p\n", dev); - - local = netdev_priv(dev); - link = local->finder; - if (!pcmcia_dev_present(link)) { - pr_debug( - "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)) { - dev_dbg(&link->dev, "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) { - dev_dbg(&link->dev, - "ray_cs interrupt download_startup_parameters OK\n"); - } else { - dev_dbg(&link->dev, - "ray_cs interrupt download_startup_parameters fail\n"); - } - break; - case CCS_UPDATE_PARAMS: - dev_dbg(&link->dev, "ray_cs interrupt update params done\n"); - if (status != CCS_COMMAND_COMPLETE) { - tmp = - readb(&pccs->var.update_param. - failure_cause); - dev_dbg(&link->dev, - "ray_cs interrupt update params failed - reason %d\n", - tmp); - } - break; - case CCS_REPORT_PARAMS: - dev_dbg(&link->dev, "ray_cs interrupt report params done\n"); - break; - case CCS_UPDATE_MULTICAST_LIST: /* Note that this CCS isn't returned */ - dev_dbg(&link->dev, - "ray_cs interrupt CCS Update Multicast List done\n"); - break; - case CCS_UPDATE_POWER_SAVINGS_MODE: - dev_dbg(&link->dev, - "ray_cs interrupt update power save mode done\n"); - break; - case CCS_START_NETWORK: - case CCS_JOIN_NETWORK: - memcpy(memtmp, local->sparm.b4.a_current_ess_id, - ESSID_SIZE); - memtmp[ESSID_SIZE] = '\0'; - - if (status == CCS_COMMAND_COMPLETE) { - if (readb - (&pccs->var.start_network.net_initiated) == - 1) { - dev_dbg(&link->dev, - "ray_cs interrupt network \"%s\" started\n", - memtmp); - } else { - dev_dbg(&link->dev, - "ray_cs interrupt network \"%s\" joined\n", - memtmp); - } - 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; - if (status == CCS_START_NETWORK) { - dev_dbg(&link->dev, - "ray_cs interrupt network \"%s\" start failed\n", - memtmp); - local->timer.function = start_net; - } else { - dev_dbg(&link->dev, - "ray_cs interrupt network \"%s\" join failed\n", - memtmp); - 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; - dev_dbg(&link->dev, "ray_cs association successful\n"); - } else { - dev_dbg(&link->dev, "ray_cs association failed,\n"); - local->card_status = CARD_ASSOC_FAILED; - join_net(&local->timer); - } - break; - case CCS_TX_REQUEST: - if (status == CCS_COMMAND_COMPLETE) { - dev_dbg(&link->dev, - "ray_cs interrupt tx request complete\n"); - } else { - dev_dbg(&link->dev, - "ray_cs interrupt tx request failed\n"); - } - if (!sniffer) - netif_start_queue(dev); - netif_wake_queue(dev); - break; - case CCS_TEST_MEMORY: - dev_dbg(&link->dev, "ray_cs interrupt mem test done\n"); - break; - case CCS_SHUTDOWN: - dev_dbg(&link->dev, - "ray_cs interrupt Unexpected CCS returned - Shutdown\n"); - break; - case CCS_DUMP_MEMORY: - dev_dbg(&link->dev, "ray_cs interrupt dump memory done\n"); - break; - case CCS_START_TIMER: - dev_dbg(&link->dev, - "ray_cs interrupt DING - raylink timer expired\n"); - break; - default: - dev_dbg(&link->dev, - "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: - dev_dbg(&link->dev, "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); - dev_dbg(&link->dev, "ray_cs new BSSID = %pm\n", - local->bss_id); - if (!sniffer) - authenticate(local); - } - break; - case ROAMING_INITIATED: - dev_dbg(&link->dev, "ray_cs interrupt roaming initiated\n"); - netif_stop_queue(dev); - local->card_status = CARD_DOING_ACQ; - break; - case JAPAN_CALL_SIGN_RXD: - dev_dbg(&link->dev, "ray_cs interrupt japan call sign rx\n"); - break; - default: - dev_dbg(&link->dev, - "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; - pr_debug("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: - pr_debug("ray_rx data type\n"); - rx_data(dev, prcs, pkt_addr, rx_len); - break; - case AUTHENTIC_TYPE: - pr_debug("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: - pr_debug("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: - pr_debug("ray_cs rx NULL msg\n"); - break; - case BEACON_TYPE: - pr_debug("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: - pr_debug("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 = netdev_priv(dev); - 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)) { - pr_debug( - "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)) { - pr_debug( - "ray_cs invalid packet length %d received\n", - rx_len); - return; - } - } - } - pr_debug("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) { - pr_debug("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) { - pr_debug( - "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) { - pr_debug("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) */ - - pr_debug("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 - skb_copy_from_linear_data_offset(skb, - offsetof(struct mac_header, addr_2), - linksrcaddr, 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; - pr_debug("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); - 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 ieee80211_hdr *pmac = (struct ieee80211_hdr *)skb->data; - __be16 type = *(__be16 *) psnap->ethertype; - int delta; - struct ethhdr *peth; - UCHAR srcaddr[ADDRLEN]; - UCHAR destaddr[ADDRLEN]; - static const UCHAR org_bridge[3] = { 0, 0, 0xf8 }; - static const UCHAR org_1042[3] = { 0, 0, 0 }; - - memcpy(destaddr, ieee80211_get_DA(pmac), ADDRLEN); - memcpy(srcaddr, ieee80211_get_SA(pmac), ADDRLEN); - -#if 0 - if { - print_hex_dump(KERN_DEBUG, "skb->data before untranslate: ", - DUMP_PREFIX_NONE, 16, 1, - skb->data, 64, true); - printk(KERN_DEBUG - "type = %08x, xsap = %02x%02x%02x, org = %02x02x02x\n", - ntohs(type), psnap->dsap, psnap->ssap, psnap->ctrl, - psnap->org[0], psnap->org[1], psnap->org[2]); - printk(KERN_DEBUG "untranslate skb->data = %p\n", skb->data); - } -#endif - - if (psnap->dsap != 0xaa || psnap->ssap != 0xaa || psnap->ctrl != 3) { - /* not a snap type so leave it alone */ - pr_debug("ray_cs untranslate NOT SNAP %02x %02x %02x\n", - psnap->dsap, psnap->ssap, psnap->ctrl); - - 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 (memcmp(psnap->org, org_bridge, 3) == 0) { - /* EtherII and nuke the LLC */ - pr_debug("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 (memcmp(psnap->org, org_1042, 3) == 0) { - switch (ntohs(type)) { - case ETH_P_IPX: - case ETH_P_AARP: - pr_debug("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: - pr_debug("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); - pr_debug("untranslate after skb_pull(%d), skb->data = %p\n", delta, - skb->data); - memcpy(peth->h_dest, destaddr, ADDRLEN); - memcpy(peth->h_source, srcaddr, ADDRLEN); -#if 0 - { - 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)) { - pr_debug("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) -{ - struct pcmcia_device *link = local->finder; - dev_dbg(&link->dev, "ray_cs Starting authentication.\n"); - if (!(pcmcia_dev_present(link))) { - dev_dbg(&link->dev, "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; - 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 ray_rx_msg *msg = (struct ray_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) { - pr_debug("ray_cs rx_auth var= %6ph\n", msg->var); - if (msg->var[2] == 1) { - pr_debug("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) { - pr_debug("Authentication successful\n"); - local->card_status = CARD_AUTH_COMPLETE; - associate(local); - local->authentication_state = - AUTHENTICATED; - } else { - pr_debug("Authentication refused\n"); - local->card_status = CARD_AUTH_REFUSED; - join_net(&local->timer); - local->authentication_state = - UNAUTHENTICATED; - } - } - } - } - -} /* end rx_authenticate */ - -/*===========================================================================*/ -static void associate(ray_dev_t *local) -{ - struct ccs __iomem *pccs; - struct pcmcia_device *link = local->finder; - struct net_device *dev = link->priv; - int ccsindex; - if (!(pcmcia_dev_present(link))) { - dev_dbg(&link->dev, "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? */ - dev_dbg(&link->dev, "ray_cs associate - No free ccs\n"); - return; - } - dev_dbg(&link->dev, "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)) { - dev_dbg(&link->dev, "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.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 ray_rx_msg *msg = (struct ray_rx_msg *) buff; -*/ - pr_debug("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 const 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 const char *nettype[] = { "Adhoc", "Infra " }; -static const char *framing[] = { "Encapsulation", "Translation" } - -; -/*===========================================================================*/ -static int ray_cs_proc_show(struct seq_file *m, void *v) -{ -/* Print current values which are not available via other means - * eg ifconfig - */ - int i; - struct pcmcia_device *link; - struct net_device *dev; - ray_dev_t *local; - UCHAR *p; - struct freq_hop_element *pfh; - UCHAR c[33]; - - link = this_device; - if (!link) - return 0; - dev = link->priv; - if (!dev) - return 0; - local = netdev_priv(dev); - if (!local) - return 0; - - seq_puts(m, "Raylink Wireless LAN driver status\n"); - seq_printf(m, "%s\n", rcsid); - /* build 4 does not report version, and field is 0x55 after memtest */ - seq_puts(m, "Firmware version = "); - if (local->fw_ver == 0x55) - seq_puts(m, "4 - Use dump_cis for more details\n"); - else - seq_printf(m, "%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; - seq_printf(m, "%s network ESSID = \"%s\"\n", - nettype[local->sparm.b5.a_network_type], c); - - p = local->bss_id; - seq_printf(m, "BSSID = %pM\n", p); - - seq_printf(m, "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; - seq_printf(m, "Card status = %s\n", card_status[i]); - - seq_printf(m, "Framing mode = %s\n", framing[translate]); - - seq_printf(m, "Last pkt signal lvl = %d\n", local->last_rsl); - - if (local->beacon_rxed) { - /* Pull some fields out of last beacon received */ - seq_printf(m, "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 { - seq_printf(m, - "Parse beacon failed at essid element id = %d\n", - p[0]); - return 0; - } - - if (p[0] == C_SUPPORTED_RATES_ELEMENT_ID) { - seq_puts(m, "Supported rate codes = "); - for (i = 2; i < p[1] + 2; i++) - seq_printf(m, "0x%02x ", p[i]); - seq_putc(m, '\n'); - p += p[1] + 2; - } else { - seq_puts(m, "Parse beacon failed at rates element\n"); - return 0; - } - - if (p[0] == C_FH_PARAM_SET_ELEMENT_ID) { - pfh = (struct freq_hop_element *)p; - seq_printf(m, "Hop dwell = %d Kus\n", - pfh->dwell_time[0] + - 256 * pfh->dwell_time[1]); - seq_printf(m, "Hop set = %d\n", - pfh->hop_set); - seq_printf(m, "Hop pattern = %d\n", - pfh->hop_pattern); - seq_printf(m, "Hop index = %d\n", - pfh->hop_index); - p += p[1] + 2; - } else { - seq_puts(m, - "Parse beacon failed at FH param element\n"); - return 0; - } - } else { - seq_puts(m, "No beacons received\n"); - } - return 0; -} -#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) { - pr_debug("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)) { - pr_debug( - "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 ssize_t ray_cs_essid_proc_write(struct file *file, - const char __user *buffer, size_t count, loff_t *pos) -{ - static char proc_essid[33]; - unsigned 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 const struct proc_ops ray_cs_essid_proc_ops = { - .proc_write = ray_cs_essid_proc_write, - .proc_lseek = noop_llseek, -}; - -static ssize_t int_proc_write(struct file *file, const char __user *buffer, - size_t count, loff_t *pos) -{ - 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 *)pde_data(file_inode(file)) = nr; - return count; -} - -static const struct proc_ops int_proc_ops = { - .proc_write = int_proc_write, - .proc_lseek = noop_llseek, -}; -#endif - -static const 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, - .name = "ray_cs", - .probe = ray_probe, - .remove = ray_detach, - .id_table = ray_ids, - .suspend = ray_suspend, - .resume = ray_resume, -}; - -static int __init init_ray_cs(void) -{ - int rc; - - pr_debug("%s\n", rcsid); - rc = pcmcia_register_driver(&ray_driver); - pr_debug("raylink init_module register_pcmcia_driver returns 0x%x\n", - rc); - if (rc) - return rc; - -#ifdef CONFIG_PROC_FS - proc_mkdir("driver/ray_cs", NULL); - - proc_create_single("driver/ray_cs/ray_cs", 0, NULL, ray_cs_proc_show); - proc_create("driver/ray_cs/essid", 0200, NULL, &ray_cs_essid_proc_ops); - proc_create_data("driver/ray_cs/net_type", 0200, NULL, &int_proc_ops, - &net_type); - proc_create_data("driver/ray_cs/translate", 0200, NULL, &int_proc_ops, - &translate); -#endif - translate = !!translate; - return 0; -} /* init_ray_cs */ - -/*===========================================================================*/ - -static void __exit exit_ray_cs(void) -{ - pr_debug("ray_cs: cleanup_module\n"); - -#ifdef CONFIG_PROC_FS - remove_proc_subtree("driver/ray_cs", NULL); -#endif - - pcmcia_unregister_driver(&ray_driver); -} /* exit_ray_cs */ - -module_init(init_ray_cs); -module_exit(exit_ray_cs); - -/*===========================================================================*/ |