diff options
Diffstat (limited to 'drivers/net/wireless/legacy/ray_cs.c')
| -rw-r--r-- | drivers/net/wireless/legacy/ray_cs.c | 2819 |
1 files changed, 2819 insertions, 0 deletions
diff --git a/drivers/net/wireless/legacy/ray_cs.c b/drivers/net/wireless/legacy/ray_cs.c new file mode 100644 index 000000000000..1f57a0055bbd --- /dev/null +++ b/drivers/net/wireless/legacy/ray_cs.c @@ -0,0 +1,2819 @@ +// 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; + + dev_dbg(&p_dev->dev, "ray_attach()\n"); + + /* Allocate space for private device-specific data */ + dev = alloc_etherdev(sizeof(ray_dev_t)); + if (!dev) + goto fail_alloc_dev; + + 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; + return ray_config(p_dev); + +fail_alloc_dev: + return -ENOMEM; +} /* ray_attach */ + +static void ray_detach(struct pcmcia_device *link) +{ + struct net_device *dev; + ray_dev_t *local; + + dev_dbg(&link->dev, "ray_detach\n"); + + this_device = NULL; + dev = link->priv; + + ray_release(link); + + local = netdev_priv(dev); + del_timer_sync(&local->timer); + + 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 = (struct net_device *)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) + strncpy(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(&local->timer); + + iounmap(local->sram); + iounmap(local->rmem); + 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 = (struct net_device *)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 = (struct net_device *)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); + +/*===========================================================================*/ |