diff options
Diffstat (limited to 'drivers/net/wireless/intersil/hostap/hostap_main.c')
| -rw-r--r-- | drivers/net/wireless/intersil/hostap/hostap_main.c | 1123 |
1 files changed, 0 insertions, 1123 deletions
diff --git a/drivers/net/wireless/intersil/hostap/hostap_main.c b/drivers/net/wireless/intersil/hostap/hostap_main.c deleted file mode 100644 index bf86ac26c2ac..000000000000 --- a/drivers/net/wireless/intersil/hostap/hostap_main.c +++ /dev/null @@ -1,1123 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Host AP (software wireless LAN access point) driver for - * Intersil Prism2/2.5/3 - hostap.o module, common routines - * - * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen - * <j@w1.fi> - * Copyright (c) 2002-2005, Jouni Malinen <j@w1.fi> - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/proc_fs.h> -#include <linux/if_arp.h> -#include <linux/delay.h> -#include <linux/random.h> -#include <linux/workqueue.h> -#include <linux/kmod.h> -#include <linux/rtnetlink.h> -#include <linux/wireless.h> -#include <linux/etherdevice.h> -#include <net/net_namespace.h> -#include <net/iw_handler.h> -#include <net/lib80211.h> -#include <linux/uaccess.h> - -#include "hostap_wlan.h" -#include "hostap_80211.h" -#include "hostap_ap.h" -#include "hostap.h" - -MODULE_AUTHOR("Jouni Malinen"); -MODULE_DESCRIPTION("Host AP common routines"); -MODULE_LICENSE("GPL"); - -#define TX_TIMEOUT (2 * HZ) - -#define PRISM2_MAX_FRAME_SIZE 2304 -#define PRISM2_MIN_MTU 256 -/* FIX: */ -#define PRISM2_MAX_MTU (PRISM2_MAX_FRAME_SIZE - (6 /* LLC */ + 8 /* WEP */)) - - -struct net_device * hostap_add_interface(struct local_info *local, - int type, int rtnl_locked, - const char *prefix, - const char *name) -{ - struct net_device *dev, *mdev; - struct hostap_interface *iface; - int ret; - - dev = alloc_etherdev(sizeof(struct hostap_interface)); - if (dev == NULL) - return NULL; - - iface = netdev_priv(dev); - iface->dev = dev; - iface->local = local; - iface->type = type; - list_add(&iface->list, &local->hostap_interfaces); - - mdev = local->dev; - eth_hw_addr_inherit(dev, mdev); - dev->base_addr = mdev->base_addr; - dev->irq = mdev->irq; - dev->mem_start = mdev->mem_start; - dev->mem_end = mdev->mem_end; - - hostap_setup_dev(dev, local, type); - dev->needs_free_netdev = true; - - sprintf(dev->name, "%s%s", prefix, name); - if (!rtnl_locked) - rtnl_lock(); - - SET_NETDEV_DEV(dev, mdev->dev.parent); - ret = register_netdevice(dev); - - if (!rtnl_locked) - rtnl_unlock(); - - if (ret < 0) { - printk(KERN_WARNING "%s: failed to add new netdevice!\n", - dev->name); - free_netdev(dev); - return NULL; - } - - printk(KERN_DEBUG "%s: registered netdevice %s\n", - mdev->name, dev->name); - - return dev; -} - - -void hostap_remove_interface(struct net_device *dev, int rtnl_locked, - int remove_from_list) -{ - struct hostap_interface *iface; - - if (!dev) - return; - - iface = netdev_priv(dev); - - if (remove_from_list) { - list_del(&iface->list); - } - - if (dev == iface->local->ddev) - iface->local->ddev = NULL; - else if (dev == iface->local->apdev) - iface->local->apdev = NULL; - else if (dev == iface->local->stadev) - iface->local->stadev = NULL; - - if (rtnl_locked) - unregister_netdevice(dev); - else - unregister_netdev(dev); - - /* 'dev->needs_free_netdev = true' implies device data, including - * private data, will be freed when the device is removed */ -} - - -static inline int prism2_wds_special_addr(u8 *addr) -{ - if (addr[0] || addr[1] || addr[2] || addr[3] || addr[4] || addr[5]) - return 0; - - return 1; -} - - -int prism2_wds_add(local_info_t *local, u8 *remote_addr, - int rtnl_locked) -{ - struct net_device *dev; - struct list_head *ptr; - struct hostap_interface *iface, *empty, *match; - - empty = match = NULL; - read_lock_bh(&local->iface_lock); - list_for_each(ptr, &local->hostap_interfaces) { - iface = list_entry(ptr, struct hostap_interface, list); - if (iface->type != HOSTAP_INTERFACE_WDS) - continue; - - if (prism2_wds_special_addr(iface->u.wds.remote_addr)) - empty = iface; - else if (ether_addr_equal(iface->u.wds.remote_addr, remote_addr)) { - match = iface; - break; - } - } - if (!match && empty && !prism2_wds_special_addr(remote_addr)) { - /* take pre-allocated entry into use */ - memcpy(empty->u.wds.remote_addr, remote_addr, ETH_ALEN); - read_unlock_bh(&local->iface_lock); - printk(KERN_DEBUG "%s: using pre-allocated WDS netdevice %s\n", - local->dev->name, empty->dev->name); - return 0; - } - read_unlock_bh(&local->iface_lock); - - if (!prism2_wds_special_addr(remote_addr)) { - if (match) - return -EEXIST; - hostap_add_sta(local->ap, remote_addr); - } - - if (local->wds_connections >= local->wds_max_connections) - return -ENOBUFS; - - /* verify that there is room for wds# postfix in the interface name */ - if (strlen(local->dev->name) >= IFNAMSIZ - 5) { - printk(KERN_DEBUG "'%s' too long base device name\n", - local->dev->name); - return -EINVAL; - } - - dev = hostap_add_interface(local, HOSTAP_INTERFACE_WDS, rtnl_locked, - local->ddev->name, "wds%d"); - if (dev == NULL) - return -ENOMEM; - - iface = netdev_priv(dev); - memcpy(iface->u.wds.remote_addr, remote_addr, ETH_ALEN); - - local->wds_connections++; - - return 0; -} - - -int prism2_wds_del(local_info_t *local, u8 *remote_addr, - int rtnl_locked, int do_not_remove) -{ - unsigned long flags; - struct list_head *ptr; - struct hostap_interface *iface, *selected = NULL; - - write_lock_irqsave(&local->iface_lock, flags); - list_for_each(ptr, &local->hostap_interfaces) { - iface = list_entry(ptr, struct hostap_interface, list); - if (iface->type != HOSTAP_INTERFACE_WDS) - continue; - - if (ether_addr_equal(iface->u.wds.remote_addr, remote_addr)) { - selected = iface; - break; - } - } - if (selected && !do_not_remove) - list_del(&selected->list); - write_unlock_irqrestore(&local->iface_lock, flags); - - if (selected) { - if (do_not_remove) - eth_zero_addr(selected->u.wds.remote_addr); - else { - hostap_remove_interface(selected->dev, rtnl_locked, 0); - local->wds_connections--; - } - } - - return selected ? 0 : -ENODEV; -} - - -u16 hostap_tx_callback_register(local_info_t *local, - void (*func)(struct sk_buff *, int ok, void *), - void *data) -{ - unsigned long flags; - struct hostap_tx_callback_info *entry; - - entry = kmalloc(sizeof(*entry), GFP_KERNEL); - if (entry == NULL) - return 0; - - entry->func = func; - entry->data = data; - - spin_lock_irqsave(&local->lock, flags); - entry->idx = local->tx_callback ? local->tx_callback->idx + 1 : 1; - entry->next = local->tx_callback; - local->tx_callback = entry; - spin_unlock_irqrestore(&local->lock, flags); - - return entry->idx; -} - - -int hostap_tx_callback_unregister(local_info_t *local, u16 idx) -{ - unsigned long flags; - struct hostap_tx_callback_info *cb, *prev = NULL; - - spin_lock_irqsave(&local->lock, flags); - cb = local->tx_callback; - while (cb != NULL && cb->idx != idx) { - prev = cb; - cb = cb->next; - } - if (cb) { - if (prev == NULL) - local->tx_callback = cb->next; - else - prev->next = cb->next; - kfree(cb); - } - spin_unlock_irqrestore(&local->lock, flags); - - return cb ? 0 : -1; -} - - -/* val is in host byte order */ -int hostap_set_word(struct net_device *dev, int rid, u16 val) -{ - struct hostap_interface *iface; - __le16 tmp = cpu_to_le16(val); - iface = netdev_priv(dev); - return iface->local->func->set_rid(dev, rid, &tmp, 2); -} - - -int hostap_set_string(struct net_device *dev, int rid, const char *val) -{ - struct hostap_interface *iface; - char buf[MAX_SSID_LEN + 2]; - int len; - - iface = netdev_priv(dev); - len = strlen(val); - if (len > MAX_SSID_LEN) - return -1; - memset(buf, 0, sizeof(buf)); - buf[0] = len; /* little endian 16 bit word */ - memcpy(buf + 2, val, len); - - return iface->local->func->set_rid(dev, rid, &buf, MAX_SSID_LEN + 2); -} - - -u16 hostap_get_porttype(local_info_t *local) -{ - if (local->iw_mode == IW_MODE_ADHOC && local->pseudo_adhoc) - return HFA384X_PORTTYPE_PSEUDO_IBSS; - if (local->iw_mode == IW_MODE_ADHOC) - return HFA384X_PORTTYPE_IBSS; - if (local->iw_mode == IW_MODE_INFRA) - return HFA384X_PORTTYPE_BSS; - if (local->iw_mode == IW_MODE_REPEAT) - return HFA384X_PORTTYPE_WDS; - if (local->iw_mode == IW_MODE_MONITOR) - return HFA384X_PORTTYPE_PSEUDO_IBSS; - return HFA384X_PORTTYPE_HOSTAP; -} - - -int hostap_set_encryption(local_info_t *local) -{ - u16 val, old_val; - int i, keylen, len, idx; - char keybuf[WEP_KEY_LEN + 1]; - enum { NONE, WEP, OTHER } encrypt_type; - - idx = local->crypt_info.tx_keyidx; - if (local->crypt_info.crypt[idx] == NULL || - local->crypt_info.crypt[idx]->ops == NULL) - encrypt_type = NONE; - else if (strcmp(local->crypt_info.crypt[idx]->ops->name, "WEP") == 0) - encrypt_type = WEP; - else - encrypt_type = OTHER; - - if (local->func->get_rid(local->dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, - 1) < 0) { - printk(KERN_DEBUG "Could not read current WEP flags.\n"); - goto fail; - } - le16_to_cpus(&val); - old_val = val; - - if (encrypt_type != NONE || local->privacy_invoked) - val |= HFA384X_WEPFLAGS_PRIVACYINVOKED; - else - val &= ~HFA384X_WEPFLAGS_PRIVACYINVOKED; - - if (local->open_wep || encrypt_type == NONE || - ((local->ieee_802_1x || local->wpa) && local->host_decrypt)) - val &= ~HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED; - else - val |= HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED; - - if ((encrypt_type != NONE || local->privacy_invoked) && - (encrypt_type == OTHER || local->host_encrypt)) - val |= HFA384X_WEPFLAGS_HOSTENCRYPT; - else - val &= ~HFA384X_WEPFLAGS_HOSTENCRYPT; - if ((encrypt_type != NONE || local->privacy_invoked) && - (encrypt_type == OTHER || local->host_decrypt)) - val |= HFA384X_WEPFLAGS_HOSTDECRYPT; - else - val &= ~HFA384X_WEPFLAGS_HOSTDECRYPT; - - if (val != old_val && - hostap_set_word(local->dev, HFA384X_RID_CNFWEPFLAGS, val)) { - printk(KERN_DEBUG "Could not write new WEP flags (0x%x)\n", - val); - goto fail; - } - - if (encrypt_type != WEP) - return 0; - - /* 104-bit support seems to require that all the keys are set to the - * same keylen */ - keylen = 6; /* first 5 octets */ - len = local->crypt_info.crypt[idx]->ops->get_key(keybuf, sizeof(keybuf), NULL, - local->crypt_info.crypt[idx]->priv); - if (idx >= 0 && idx < WEP_KEYS && len > 5) - keylen = WEP_KEY_LEN + 1; /* first 13 octets */ - - for (i = 0; i < WEP_KEYS; i++) { - memset(keybuf, 0, sizeof(keybuf)); - if (local->crypt_info.crypt[i]) { - (void) local->crypt_info.crypt[i]->ops->get_key( - keybuf, sizeof(keybuf), - NULL, local->crypt_info.crypt[i]->priv); - } - if (local->func->set_rid(local->dev, - HFA384X_RID_CNFDEFAULTKEY0 + i, - keybuf, keylen)) { - printk(KERN_DEBUG "Could not set key %d (len=%d)\n", - i, keylen); - goto fail; - } - } - if (hostap_set_word(local->dev, HFA384X_RID_CNFWEPDEFAULTKEYID, idx)) { - printk(KERN_DEBUG "Could not set default keyid %d\n", idx); - goto fail; - } - - return 0; - - fail: - printk(KERN_DEBUG "%s: encryption setup failed\n", local->dev->name); - return -1; -} - - -int hostap_set_antsel(local_info_t *local) -{ - u16 val; - int ret = 0; - - if (local->antsel_tx != HOSTAP_ANTSEL_DO_NOT_TOUCH && - local->func->cmd(local->dev, HFA384X_CMDCODE_READMIF, - HFA386X_CR_TX_CONFIGURE, - NULL, &val) == 0) { - val &= ~(BIT(2) | BIT(1)); - switch (local->antsel_tx) { - case HOSTAP_ANTSEL_DIVERSITY: - val |= BIT(1); - break; - case HOSTAP_ANTSEL_LOW: - break; - case HOSTAP_ANTSEL_HIGH: - val |= BIT(2); - break; - } - - if (local->func->cmd(local->dev, HFA384X_CMDCODE_WRITEMIF, - HFA386X_CR_TX_CONFIGURE, &val, NULL)) { - printk(KERN_INFO "%s: setting TX AntSel failed\n", - local->dev->name); - ret = -1; - } - } - - if (local->antsel_rx != HOSTAP_ANTSEL_DO_NOT_TOUCH && - local->func->cmd(local->dev, HFA384X_CMDCODE_READMIF, - HFA386X_CR_RX_CONFIGURE, - NULL, &val) == 0) { - val &= ~(BIT(1) | BIT(0)); - switch (local->antsel_rx) { - case HOSTAP_ANTSEL_DIVERSITY: - break; - case HOSTAP_ANTSEL_LOW: - val |= BIT(0); - break; - case HOSTAP_ANTSEL_HIGH: - val |= BIT(0) | BIT(1); - break; - } - - if (local->func->cmd(local->dev, HFA384X_CMDCODE_WRITEMIF, - HFA386X_CR_RX_CONFIGURE, &val, NULL)) { - printk(KERN_INFO "%s: setting RX AntSel failed\n", - local->dev->name); - ret = -1; - } - } - - return ret; -} - - -int hostap_set_roaming(local_info_t *local) -{ - u16 val; - - switch (local->host_roaming) { - case 1: - val = HFA384X_ROAMING_HOST; - break; - case 2: - val = HFA384X_ROAMING_DISABLED; - break; - case 0: - default: - val = HFA384X_ROAMING_FIRMWARE; - break; - } - - return hostap_set_word(local->dev, HFA384X_RID_CNFROAMINGMODE, val); -} - - -int hostap_set_auth_algs(local_info_t *local) -{ - int val = local->auth_algs; - /* At least STA f/w v0.6.2 seems to have issues with cnfAuthentication - * set to include both Open and Shared Key flags. It tries to use - * Shared Key authentication in that case even if WEP keys are not - * configured.. STA f/w v0.7.6 is able to handle such configuration, - * but it is unknown when this was fixed between 0.6.2 .. 0.7.6. */ - if (local->sta_fw_ver < PRISM2_FW_VER(0,7,0) && - val != PRISM2_AUTH_OPEN && val != PRISM2_AUTH_SHARED_KEY) - val = PRISM2_AUTH_OPEN; - - if (hostap_set_word(local->dev, HFA384X_RID_CNFAUTHENTICATION, val)) { - printk(KERN_INFO "%s: cnfAuthentication setting to 0x%x " - "failed\n", local->dev->name, local->auth_algs); - return -EINVAL; - } - - return 0; -} - - -void hostap_dump_rx_header(const char *name, const struct hfa384x_rx_frame *rx) -{ - u16 status, fc; - - status = __le16_to_cpu(rx->status); - - printk(KERN_DEBUG "%s: RX status=0x%04x (port=%d, type=%d, " - "fcserr=%d) silence=%d signal=%d rate=%d rxflow=%d; " - "jiffies=%ld\n", - name, status, (status >> 8) & 0x07, status >> 13, status & 1, - rx->silence, rx->signal, rx->rate, rx->rxflow, jiffies); - - fc = __le16_to_cpu(rx->frame_control); - printk(KERN_DEBUG " FC=0x%04x (type=%d:%d) dur=0x%04x seq=0x%04x " - "data_len=%d%s%s\n", - fc, (fc & IEEE80211_FCTL_FTYPE) >> 2, - (fc & IEEE80211_FCTL_STYPE) >> 4, - __le16_to_cpu(rx->duration_id), __le16_to_cpu(rx->seq_ctrl), - __le16_to_cpu(rx->data_len), - fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "", - fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : ""); - - printk(KERN_DEBUG " A1=%pM A2=%pM A3=%pM A4=%pM\n", - rx->addr1, rx->addr2, rx->addr3, rx->addr4); - - printk(KERN_DEBUG " dst=%pM src=%pM len=%d\n", - rx->dst_addr, rx->src_addr, - __be16_to_cpu(rx->len)); -} - - -void hostap_dump_tx_header(const char *name, const struct hfa384x_tx_frame *tx) -{ - u16 fc; - - printk(KERN_DEBUG "%s: TX status=0x%04x retry_count=%d tx_rate=%d " - "tx_control=0x%04x; jiffies=%ld\n", - name, __le16_to_cpu(tx->status), tx->retry_count, tx->tx_rate, - __le16_to_cpu(tx->tx_control), jiffies); - - fc = __le16_to_cpu(tx->frame_control); - printk(KERN_DEBUG " FC=0x%04x (type=%d:%d) dur=0x%04x seq=0x%04x " - "data_len=%d%s%s\n", - fc, (fc & IEEE80211_FCTL_FTYPE) >> 2, - (fc & IEEE80211_FCTL_STYPE) >> 4, - __le16_to_cpu(tx->duration_id), __le16_to_cpu(tx->seq_ctrl), - __le16_to_cpu(tx->data_len), - fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "", - fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : ""); - - printk(KERN_DEBUG " A1=%pM A2=%pM A3=%pM A4=%pM\n", - tx->addr1, tx->addr2, tx->addr3, tx->addr4); - - printk(KERN_DEBUG " dst=%pM src=%pM len=%d\n", - tx->dst_addr, tx->src_addr, - __be16_to_cpu(tx->len)); -} - - -static int hostap_80211_header_parse(const struct sk_buff *skb, - unsigned char *haddr) -{ - memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */ - return ETH_ALEN; -} - - -int hostap_80211_get_hdrlen(__le16 fc) -{ - if (ieee80211_is_data(fc) && ieee80211_has_a4 (fc)) - return 30; /* Addr4 */ - else if (ieee80211_is_cts(fc) || ieee80211_is_ack(fc)) - return 10; - else if (ieee80211_is_ctl(fc)) - return 16; - - return 24; -} - - -static int prism2_close(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - - PDEBUG(DEBUG_FLOW, "%s: prism2_close\n", dev->name); - - iface = netdev_priv(dev); - local = iface->local; - - if (dev == local->ddev) { - prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING); - } -#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT - if (!local->hostapd && dev == local->dev && - (!local->func->card_present || local->func->card_present(local)) && - local->hw_ready && local->ap && local->iw_mode == IW_MODE_MASTER) - hostap_deauth_all_stas(dev, local->ap, 1); -#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ - - if (dev == local->dev) { - local->func->hw_shutdown(dev, HOSTAP_HW_ENABLE_CMDCOMPL); - } - - if (netif_running(dev)) { - netif_stop_queue(dev); - netif_device_detach(dev); - } - - cancel_work_sync(&local->reset_queue); - cancel_work_sync(&local->set_multicast_list_queue); - cancel_work_sync(&local->set_tim_queue); -#ifndef PRISM2_NO_STATION_MODES - cancel_work_sync(&local->info_queue); -#endif - cancel_work_sync(&local->comms_qual_update); - - module_put(local->hw_module); - - local->num_dev_open--; - - if (dev != local->dev && local->dev->flags & IFF_UP && - local->master_dev_auto_open && local->num_dev_open == 1) { - /* Close master radio interface automatically if it was also - * opened automatically and we are now closing the last - * remaining non-master device. */ - dev_close(local->dev); - } - - return 0; -} - - -static int prism2_open(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - - PDEBUG(DEBUG_FLOW, "%s: prism2_open\n", dev->name); - - iface = netdev_priv(dev); - local = iface->local; - - if (local->no_pri) { - printk(KERN_DEBUG "%s: could not set interface UP - no PRI " - "f/w\n", dev->name); - return -ENODEV; - } - - if ((local->func->card_present && !local->func->card_present(local)) || - local->hw_downloading) - return -ENODEV; - - if (!try_module_get(local->hw_module)) - return -ENODEV; - local->num_dev_open++; - - if (!local->dev_enabled && local->func->hw_enable(dev, 1)) { - printk(KERN_WARNING "%s: could not enable MAC port\n", - dev->name); - prism2_close(dev); - return -ENODEV; - } - if (!local->dev_enabled) - prism2_callback(local, PRISM2_CALLBACK_ENABLE); - local->dev_enabled = 1; - - if (dev != local->dev && !(local->dev->flags & IFF_UP)) { - /* Master radio interface is needed for all operation, so open - * it automatically when any virtual net_device is opened. */ - local->master_dev_auto_open = 1; - dev_open(local->dev, NULL); - } - - netif_device_attach(dev); - netif_start_queue(dev); - - return 0; -} - - -static int prism2_set_mac_address(struct net_device *dev, void *p) -{ - struct hostap_interface *iface; - local_info_t *local; - struct list_head *ptr; - struct sockaddr *addr = p; - - iface = netdev_priv(dev); - local = iface->local; - - if (local->func->set_rid(dev, HFA384X_RID_CNFOWNMACADDR, addr->sa_data, - ETH_ALEN) < 0 || local->func->reset_port(dev)) - return -EINVAL; - - read_lock_bh(&local->iface_lock); - list_for_each(ptr, &local->hostap_interfaces) { - iface = list_entry(ptr, struct hostap_interface, list); - eth_hw_addr_set(iface->dev, addr->sa_data); - } - eth_hw_addr_set(local->dev, addr->sa_data); - read_unlock_bh(&local->iface_lock); - - return 0; -} - - -/* TODO: to be further implemented as soon as Prism2 fully supports - * GroupAddresses and correct documentation is available */ -void hostap_set_multicast_list_queue(struct work_struct *work) -{ - local_info_t *local = - container_of(work, local_info_t, set_multicast_list_queue); - struct net_device *dev = local->dev; - - if (hostap_set_word(dev, HFA384X_RID_PROMISCUOUSMODE, - local->is_promisc)) { - printk(KERN_INFO "%s: %sabling promiscuous mode failed\n", - dev->name, local->is_promisc ? "en" : "dis"); - } -} - - -static void hostap_set_multicast_list(struct net_device *dev) -{ -#if 0 - /* FIX: promiscuous mode seems to be causing a lot of problems with - * some station firmware versions (FCSErr frames, invalid MACPort, etc. - * corrupted incoming frames). This code is now commented out while the - * problems are investigated. */ - struct hostap_interface *iface; - local_info_t *local; - - iface = netdev_priv(dev); - local = iface->local; - if ((dev->flags & IFF_ALLMULTI) || (dev->flags & IFF_PROMISC)) { - local->is_promisc = 1; - } else { - local->is_promisc = 0; - } - - schedule_work(&local->set_multicast_list_queue); -#endif -} - - -static void prism2_tx_timeout(struct net_device *dev, unsigned int txqueue) -{ - struct hostap_interface *iface; - local_info_t *local; - struct hfa384x_regs regs; - - iface = netdev_priv(dev); - local = iface->local; - - printk(KERN_WARNING "%s Tx timed out! Resetting card\n", dev->name); - netif_stop_queue(local->dev); - - local->func->read_regs(dev, ®s); - printk(KERN_DEBUG "%s: CMD=%04x EVSTAT=%04x " - "OFFSET0=%04x OFFSET1=%04x SWSUPPORT0=%04x\n", - dev->name, regs.cmd, regs.evstat, regs.offset0, regs.offset1, - regs.swsupport0); - - local->func->schedule_reset(local); -} - -const struct header_ops hostap_80211_ops = { - .create = eth_header, - .cache = eth_header_cache, - .cache_update = eth_header_cache_update, - .parse = hostap_80211_header_parse, -}; -EXPORT_SYMBOL(hostap_80211_ops); - - -static const struct net_device_ops hostap_netdev_ops = { - .ndo_start_xmit = hostap_data_start_xmit, - - .ndo_open = prism2_open, - .ndo_stop = prism2_close, - .ndo_siocdevprivate = hostap_siocdevprivate, - .ndo_set_mac_address = prism2_set_mac_address, - .ndo_set_rx_mode = hostap_set_multicast_list, - .ndo_tx_timeout = prism2_tx_timeout, - .ndo_validate_addr = eth_validate_addr, -}; - -static const struct net_device_ops hostap_mgmt_netdev_ops = { - .ndo_start_xmit = hostap_mgmt_start_xmit, - - .ndo_open = prism2_open, - .ndo_stop = prism2_close, - .ndo_siocdevprivate = hostap_siocdevprivate, - .ndo_set_mac_address = prism2_set_mac_address, - .ndo_set_rx_mode = hostap_set_multicast_list, - .ndo_tx_timeout = prism2_tx_timeout, - .ndo_validate_addr = eth_validate_addr, -}; - -static const struct net_device_ops hostap_master_ops = { - .ndo_start_xmit = hostap_master_start_xmit, - - .ndo_open = prism2_open, - .ndo_stop = prism2_close, - .ndo_siocdevprivate = hostap_siocdevprivate, - .ndo_set_mac_address = prism2_set_mac_address, - .ndo_set_rx_mode = hostap_set_multicast_list, - .ndo_tx_timeout = prism2_tx_timeout, - .ndo_validate_addr = eth_validate_addr, -}; - -void hostap_setup_dev(struct net_device *dev, local_info_t *local, - int type) -{ - struct hostap_interface *iface; - - iface = netdev_priv(dev); - ether_setup(dev); - dev->min_mtu = PRISM2_MIN_MTU; - dev->max_mtu = PRISM2_MAX_MTU; - dev->priv_flags &= ~IFF_TX_SKB_SHARING; - - /* kernel callbacks */ - if (iface) { - /* Currently, we point to the proper spy_data only on - * the main_dev. This could be fixed. Jean II */ - iface->wireless_data.spy_data = &iface->spy_data; - dev->wireless_data = &iface->wireless_data; - } - dev->wireless_handlers = &hostap_iw_handler_def; - dev->watchdog_timeo = TX_TIMEOUT; - - switch(type) { - case HOSTAP_INTERFACE_AP: - dev->priv_flags |= IFF_NO_QUEUE; /* use main radio device queue */ - dev->netdev_ops = &hostap_mgmt_netdev_ops; - dev->type = ARPHRD_IEEE80211; - dev->header_ops = &hostap_80211_ops; - break; - case HOSTAP_INTERFACE_MASTER: - dev->netdev_ops = &hostap_master_ops; - break; - default: - dev->priv_flags |= IFF_NO_QUEUE; /* use main radio device queue */ - dev->netdev_ops = &hostap_netdev_ops; - } - - dev->mtu = local->mtu; - - - dev->ethtool_ops = &prism2_ethtool_ops; - -} - -static int hostap_enable_hostapd(local_info_t *local, int rtnl_locked) -{ - struct net_device *dev = local->dev; - - if (local->apdev) - return -EEXIST; - - printk(KERN_DEBUG "%s: enabling hostapd mode\n", dev->name); - - local->apdev = hostap_add_interface(local, HOSTAP_INTERFACE_AP, - rtnl_locked, local->ddev->name, - "ap"); - if (local->apdev == NULL) - return -ENOMEM; - - return 0; -} - - -static int hostap_disable_hostapd(local_info_t *local, int rtnl_locked) -{ - struct net_device *dev = local->dev; - - printk(KERN_DEBUG "%s: disabling hostapd mode\n", dev->name); - - hostap_remove_interface(local->apdev, rtnl_locked, 1); - local->apdev = NULL; - - return 0; -} - - -static int hostap_enable_hostapd_sta(local_info_t *local, int rtnl_locked) -{ - struct net_device *dev = local->dev; - - if (local->stadev) - return -EEXIST; - - printk(KERN_DEBUG "%s: enabling hostapd STA mode\n", dev->name); - - local->stadev = hostap_add_interface(local, HOSTAP_INTERFACE_STA, - rtnl_locked, local->ddev->name, - "sta"); - if (local->stadev == NULL) - return -ENOMEM; - - return 0; -} - - -static int hostap_disable_hostapd_sta(local_info_t *local, int rtnl_locked) -{ - struct net_device *dev = local->dev; - - printk(KERN_DEBUG "%s: disabling hostapd mode\n", dev->name); - - hostap_remove_interface(local->stadev, rtnl_locked, 1); - local->stadev = NULL; - - return 0; -} - - -int hostap_set_hostapd(local_info_t *local, int val, int rtnl_locked) -{ - int ret; - - if (val < 0 || val > 1) - return -EINVAL; - - if (local->hostapd == val) - return 0; - - if (val) { - ret = hostap_enable_hostapd(local, rtnl_locked); - if (ret == 0) - local->hostapd = 1; - } else { - local->hostapd = 0; - ret = hostap_disable_hostapd(local, rtnl_locked); - if (ret != 0) - local->hostapd = 1; - } - - return ret; -} - - -int hostap_set_hostapd_sta(local_info_t *local, int val, int rtnl_locked) -{ - int ret; - - if (val < 0 || val > 1) - return -EINVAL; - - if (local->hostapd_sta == val) - return 0; - - if (val) { - ret = hostap_enable_hostapd_sta(local, rtnl_locked); - if (ret == 0) - local->hostapd_sta = 1; - } else { - local->hostapd_sta = 0; - ret = hostap_disable_hostapd_sta(local, rtnl_locked); - if (ret != 0) - local->hostapd_sta = 1; - } - - - return ret; -} - - -int prism2_update_comms_qual(struct net_device *dev) -{ - struct hostap_interface *iface; - local_info_t *local; - int ret = 0; - struct hfa384x_comms_quality sq; - - iface = netdev_priv(dev); - local = iface->local; - if (!local->sta_fw_ver) - ret = -1; - else if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) { - if (local->func->get_rid(local->dev, - HFA384X_RID_DBMCOMMSQUALITY, - &sq, sizeof(sq), 1) >= 0) { - local->comms_qual = (s16) le16_to_cpu(sq.comm_qual); - local->avg_signal = (s16) le16_to_cpu(sq.signal_level); - local->avg_noise = (s16) le16_to_cpu(sq.noise_level); - local->last_comms_qual_update = jiffies; - } else - ret = -1; - } else { - if (local->func->get_rid(local->dev, HFA384X_RID_COMMSQUALITY, - &sq, sizeof(sq), 1) >= 0) { - local->comms_qual = le16_to_cpu(sq.comm_qual); - local->avg_signal = HFA384X_LEVEL_TO_dBm( - le16_to_cpu(sq.signal_level)); - local->avg_noise = HFA384X_LEVEL_TO_dBm( - le16_to_cpu(sq.noise_level)); - local->last_comms_qual_update = jiffies; - } else - ret = -1; - } - - return ret; -} - - -int prism2_sta_send_mgmt(local_info_t *local, u8 *dst, u16 stype, - u8 *body, size_t bodylen) -{ - struct sk_buff *skb; - struct hostap_ieee80211_mgmt *mgmt; - struct hostap_skb_tx_data *meta; - struct net_device *dev = local->dev; - - skb = dev_alloc_skb(IEEE80211_MGMT_HDR_LEN + bodylen); - if (skb == NULL) - return -ENOMEM; - - mgmt = skb_put_zero(skb, IEEE80211_MGMT_HDR_LEN); - mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | stype); - memcpy(mgmt->da, dst, ETH_ALEN); - memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); - memcpy(mgmt->bssid, dst, ETH_ALEN); - if (body) - skb_put_data(skb, body, bodylen); - - meta = (struct hostap_skb_tx_data *) skb->cb; - memset(meta, 0, sizeof(*meta)); - meta->magic = HOSTAP_SKB_TX_DATA_MAGIC; - meta->iface = netdev_priv(dev); - - skb->dev = dev; - skb_reset_mac_header(skb); - skb_reset_network_header(skb); - dev_queue_xmit(skb); - - return 0; -} - - -int prism2_sta_deauth(local_info_t *local, u16 reason) -{ - union iwreq_data wrqu; - int ret; - __le16 val = cpu_to_le16(reason); - - if (local->iw_mode != IW_MODE_INFRA || - is_zero_ether_addr(local->bssid) || - ether_addr_equal(local->bssid, "\x44\x44\x44\x44\x44\x44")) - return 0; - - ret = prism2_sta_send_mgmt(local, local->bssid, IEEE80211_STYPE_DEAUTH, - (u8 *) &val, 2); - eth_zero_addr(wrqu.ap_addr.sa_data); - wireless_send_event(local->dev, SIOCGIWAP, &wrqu, NULL); - return ret; -} - - -struct proc_dir_entry *hostap_proc; - -static int __init hostap_init(void) -{ - if (init_net.proc_net != NULL) { - hostap_proc = proc_mkdir("hostap", init_net.proc_net); - if (!hostap_proc) - printk(KERN_WARNING "Failed to mkdir " - "/proc/net/hostap\n"); - } else - hostap_proc = NULL; - - return 0; -} - - -static void __exit hostap_exit(void) -{ - if (hostap_proc != NULL) { - hostap_proc = NULL; - remove_proc_entry("hostap", init_net.proc_net); - } -} - - -EXPORT_SYMBOL(hostap_set_word); -EXPORT_SYMBOL(hostap_set_string); -EXPORT_SYMBOL(hostap_get_porttype); -EXPORT_SYMBOL(hostap_set_encryption); -EXPORT_SYMBOL(hostap_set_antsel); -EXPORT_SYMBOL(hostap_set_roaming); -EXPORT_SYMBOL(hostap_set_auth_algs); -EXPORT_SYMBOL(hostap_dump_rx_header); -EXPORT_SYMBOL(hostap_dump_tx_header); -EXPORT_SYMBOL(hostap_80211_get_hdrlen); -EXPORT_SYMBOL(hostap_setup_dev); -EXPORT_SYMBOL(hostap_set_multicast_list_queue); -EXPORT_SYMBOL(hostap_set_hostapd); -EXPORT_SYMBOL(hostap_set_hostapd_sta); -EXPORT_SYMBOL(hostap_add_interface); -EXPORT_SYMBOL(hostap_remove_interface); -EXPORT_SYMBOL(prism2_update_comms_qual); - -module_init(hostap_init); -module_exit(hostap_exit); |