/*============================================================================= * * A PCMCIA client driver for the Raylink wireless LAN card. * The starting point for this module was the skeleton.c in the * PCMCIA 2.9.12 package written by David Hinds, dahinds@users.sourceforge.net * * * Copyright (c) 1998 Corey Thomas (corey@world.std.com) * * This driver is free software; you can redistribute it and/or modify * it under the terms of version 2 only of the GNU General Public License as * published by the Free Software Foundation. * * It is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . * * Changes: * Arnaldo Carvalho de Melo - 08/08/2000 * - reorganize kmallocs in ray_attach, checking all for failure * and releasing the previous allocations if one fails * * Daniele Bellucci - 07/10/2003 * - Audit copy_to_user in ioctl(SIOCGIWESSID) * =============================================================================*/ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* 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(u_long); static int get_free_ccs(ray_dev_t *local); static int get_free_tx_ccs(ray_dev_t *local); static void init_startup_params(ray_dev_t *local); static int parse_addr(char *in_str, UCHAR *out); static int ray_hw_xmit(unsigned char *data, int len, struct net_device *dev, UCHAR type); static int ray_init(struct net_device *dev); static int interrupt_ecf(ray_dev_t *local, int ccs); static void ray_reset(struct net_device *dev); static void ray_update_parm(struct net_device *dev, UCHAR objid, UCHAR *value, int len); static void verify_dl_startup(u_long); /* Prototypes for interrpt time functions **********************************/ static irqreturn_t ray_interrupt(int reg, void *dev_id); static void clear_interrupt(ray_dev_t *local); static void rx_deauthenticate(ray_dev_t *local, struct rcs __iomem *prcs, unsigned int pkt_addr, int rx_len); static int copy_from_rx_buff(ray_dev_t *local, UCHAR *dest, int pkt_addr, int len); static void ray_rx(struct net_device *dev, ray_dev_t *local, struct rcs __iomem *prcs); static void release_frag_chain(ray_dev_t *local, struct rcs __iomem *prcs); static void rx_authenticate(ray_dev_t *local, struct rcs __iomem *prcs, unsigned int pkt_addr, int rx_len); static void rx_data(struct net_device *dev, struct rcs __iomem *prcs, unsigned int pkt_addr, int rx_len); static void associate(ray_dev_t *local); /* Card command functions */ static int dl_startup_params(struct net_device *dev); static void join_net(u_long local); static void start_net(u_long local); /* void start_net(ray_dev_t *local); */ /*===========================================================================*/ /* Parameters that can be set with 'insmod' */ /* ADHOC=0, Infrastructure=1 */ static int net_type = ADHOC; /* Hop dwell time in Kus (1024 us units defined by 802.11) */ static int hop_dwell = 128; /* Beacon period in Kus */ static int beacon_period = 256; /* power save mode (0 = off, 1 = save power) */ static int psm; /* String for network's Extended Service Set ID. 32 Characters max */ static char *essid; /* Default to encapsulation unless translation requested */ static bool translate = 1; static int country = USA; static int sniffer; static int bc; /* 48 bit physical card address if overriding card's real physical * address is required. Since IEEE 802.11 addresses are 48 bits * like ethernet, an int can't be used, so a string is used. To * allow use of addresses starting with a decimal digit, the first * character must be a letter and will be ignored. This letter is * followed by up to 12 hex digits which are the address. If less * than 12 digits are used, the address will be left filled with 0's. * Note that bit 0 of the first byte is the broadcast bit, and evil * things will happen if it is not 0 in a card address. */ static char *phy_addr = NULL; 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 "); 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 */ }; /*===========================================================================*/ 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 "; 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_change_mtu = eth_change_mtu, .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); init_timer(&local->timer); 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])); /*** 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])); /*** 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])); 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; UCHAR *p; 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)) { p = local->sparm.b4.a_mac_addr; } else { memcpy(&local->sparm.b4.a_mac_addr, &local->startup_res.station_addr, ADDRLEN); p = local->sparm.b4.a_mac_addr; } clear_interrupt(local); /* Clear any interrupt from the card */ local->card_status = CARD_AWAITING_PARAM; 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.data = (long)local; 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((UCHAR *) &local->sparm.b4, b4_default_startup_parms, sizeof(struct b4_startup_params)); /* Translate sane kus input values to old build 4/5 format */ /* i = hop time in uS truncated to 3 bytes */ i = (hop_dwell * 1024) & 0xffffff; local->sparm.b4.a_hop_time[0] = (i >> 16) & 0xff; local->sparm.b4.a_hop_time[1] = (i >> 8) & 0xff; local->sparm.b4.a_beacon_period[0] = 0; local->sparm.b4.a_beacon_period[1] = ((beacon_period / hop_dwell) - 1) & 0xff; local->sparm.b4.a_curr_country_code = country; local->sparm.b4.a_hop_pattern_length = hop_pattern_length[(int)country] - 1; if (bc) { local->sparm.b4.a_ack_timeout = 0x50; local->sparm.b4.a_sifs = 0x3f; } } else { /* Version 5 uses real kus values */ memcpy((UCHAR *) &local->sparm.b5, b5_default_startup_parms, sizeof(struct b5_startup_params)); local->sparm.b5.a_hop_time[0] = (hop_dwell >> 8) & 0xff; local->sparm.b5.a_hop_time[1] = hop_dwell & 0xff; local->sparm.b5.a_beacon_period[0] = (beacon_period >> 8) & 0xff; local->sparm.b5.a_beacon_period[1] = beacon_period & 0xff; if (psm) local->sparm.b5.a_power_mgt_state = 1; local->sparm.b5.a_curr_country_code = country; local->sparm.b5.a_hop_pattern_length = hop_pattern_length[(int)country]; } local->sparm.b4.a_network_type = net_type & 0x01; local->sparm.b4.a_acting_as_ap_status = TYPE_STA; if (essid != NULL) strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE); } /* init_startup_params */ /*===========================================================================*/ static void verify_dl_startup(u_long data) { ray_dev_t *local = (ray_dev_t *) data; struct ccs __iomem *pccs = ccs_base(local) + local->dl_param_ccs; UCHAR status; 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((u_long) local); else join_net((u_long) local); } /* end verify_dl_startup */ /*===========================================================================*/ /* Command card to start a network */ static void start_net(u_long data) { ray_dev_t *local = (ray_dev_t *) data; struct ccs __iomem *pccs; int ccsindex; 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(u_long data) { ray_dev_t *local = (ray_dev_t *) data; 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 */ memcpy(dev->dev_addr, &local->sparm.b4.a_mac_addr, ADDRLEN); memset(dev->broadcast, 0xff, ETH_ALEN); 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"); case ECCSFULL: pr_debug("ray_hw_xmit No free tx ccs\n"); case ECARDGONE: netif_stop_queue(dev); return XMIT_NO_CCS; default: break; } addr = TX_BUF_BASE + (ccsindex << 11); if (msg_type == DATA_TYPE) { local->stats.tx_bytes += len; local->stats.tx_packets++; } ptx = local->sram + addr; ray_build_header(local, ptx, msg_type, data); if (translate) { offset = translate_frame(local, ptx, data, len); } else { /* Encapsulate frame */ /* TBD TIB length will move address of ptx->var */ memcpy_toio(&ptx->var, data, len); offset = 0; } /* fill in the CCS */ pccs = ccs_base(local) + ccsindex; len += TX_HEADER_LENGTH + offset; writeb(CCS_TX_REQUEST, &pccs->cmd); writeb(addr >> 8, &pccs->var.tx_request.tx_data_ptr[0]); writeb(local->tib_length, &pccs->var.tx_request.tx_data_ptr[1]); writeb(len >> 8, &pccs->var.tx_request.tx_data_length[0]); writeb(len & 0xff, &pccs->var.tx_request.tx_data_length[1]); /* TBD still need psm_cam? */ writeb(PSM_CAM, &pccs->var.tx_request.pow_sav_mode); writeb(local->net_default_tx_rate, &pccs->var.tx_request.tx_rate); writeb(0, &pccs->var.tx_request.antenna); 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[3]); } /* Copy body of ethernet packet without ethernet header */ memcpy_toio((void __iomem *)&ptx->var + sizeof(struct snaphdr_t), data + ETH_HLEN, len - ETH_HLEN); return (int)sizeof(struct snaphdr_t) - ETH_HLEN; } else { /* already 802 type, and proto is length */ 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, 2 * ADDRLEN); memcpy_toio(ptx->mac.addr_3, local->bss_id, ADDRLEN); } else { /* infrastructure */ if (local->sparm.b4.a_acting_as_ap_status) { writeb(FC2_FROM_DS, &ptx->mac.frame_ctl_2); memcpy_toio(ptx->mac.addr_1, ((struct ethhdr *)data)->h_dest, ADDRLEN); memcpy_toio(ptx->mac.addr_2, local->bss_id, 6); memcpy_toio(ptx->mac.addr_3, ((struct ethhdr *)data)->h_source, ADDRLEN); } else { /* Terminal */ writeb(FC2_TO_DS, &ptx->mac.frame_ctl_2); memcpy_toio(ptx->mac.addr_1, local->bss_id, ADDRLEN); memcpy_toio(ptx->mac.addr_2, ((struct ethhdr *)data)->h_source, ADDRLEN); memcpy_toio(ptx->mac.addr_3, ((struct ethhdr *)data)->h_dest, ADDRLEN); } } } /* end encapsulate_frame */ /*====================================================================*/ /*------------------------------------------------------------------*/ /* * 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; /* Fall through */ case IW_MODE_INFRA: local->sparm.b5.a_network_type = card_mode; break; default: err = -EINVAL; } return err; } /*------------------------------------------------------------------*/ /* * Wireless Handler : get Mode of Operation */ static int ray_get_mode(struct net_device *dev, struct iw_request_info *info, 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(u_long data) { ray_dev_t *local = (ray_dev_t *) data; del_timer(&local->timer); printk(KERN_INFO "ray_cs Authentication with access point failed" " - timeout\n"); join_net((u_long) local); } /*===========================================================================*/ static int parse_addr(char *in_str, UCHAR *out) { int len; int i, j, k; int status; if (in_str == NULL) return 0; if ((len = strlen(in_str)) < 2) return 0; memset(out, 0, ADDRLEN); status = 1; j = len - 1; if (j > 12) j = 12; i = 5; while (j > 0) { if ((k = hex_to_bin(in_str[j--])) != -1) out[i] = k; else return 0; if (j == 0) break; if ((k = hex_to_bin(in_str[j--])) != -1) out[i] += k << 4; else return 0; if (!i--) break; } return status; } /*===========================================================================*/ static struct net_device_stats *ray_get_stats(struct net_device *dev) { ray_dev_t *local = 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; local->timer.data = (long)local; 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((u_long) local); } 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); br