diff options
Diffstat (limited to 'drivers/net/wireless/hostap/hostap_main.c')
| -rw-r--r-- | drivers/net/wireless/hostap/hostap_main.c | 272 |
1 files changed, 136 insertions, 136 deletions
diff --git a/drivers/net/wireless/hostap/hostap_main.c b/drivers/net/wireless/hostap/hostap_main.c index 8dd4c4446a6..52919ad4272 100644 --- a/drivers/net/wireless/hostap/hostap_main.c +++ b/drivers/net/wireless/hostap/hostap_main.c @@ -3,8 +3,8 @@ * Intersil Prism2/2.5/3 - hostap.o module, common routines * * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen - * <jkmaline@cc.hut.fi> - * Copyright (c) 2002-2005, Jouni Malinen <jkmaline@cc.hut.fi> + * <j@w1.fi> + * Copyright (c) 2002-2005, Jouni Malinen <j@w1.fi> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -12,7 +12,6 @@ * more details. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> @@ -25,9 +24,9 @@ #include <linux/rtnetlink.h> #include <linux/wireless.h> #include <linux/etherdevice.h> +#include <net/net_namespace.h> #include <net/iw_handler.h> -#include <net/ieee80211.h> -#include <net/ieee80211_crypt.h> +#include <net/lib80211.h> #include <asm/uaccess.h> #include "hostap_wlan.h" @@ -38,7 +37,6 @@ MODULE_AUTHOR("Jouni Malinen"); MODULE_DESCRIPTION("Host AP common routines"); MODULE_LICENSE("GPL"); -MODULE_VERSION(PRISM2_VERSION); #define TX_TIMEOUT (2 * HZ) @@ -68,26 +66,21 @@ struct net_device * hostap_add_interface(struct local_info *local, list_add(&iface->list, &local->hostap_interfaces); mdev = local->dev; - memcpy(dev->dev_addr, mdev->dev_addr, ETH_ALEN); + 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, 0); + hostap_setup_dev(dev, local, type); dev->destructor = free_netdev; sprintf(dev->name, "%s%s", prefix, name); if (!rtnl_locked) rtnl_lock(); - ret = 0; - if (strchr(dev->name, '%')) - ret = dev_alloc_name(dev, dev->name); - - SET_NETDEV_DEV(dev, mdev->class_dev.dev); - if (ret >= 0) - ret = register_netdevice(dev); + SET_NETDEV_DEV(dev, mdev->dev.parent); + ret = register_netdevice(dev); if (!rtnl_locked) rtnl_unlock(); @@ -162,8 +155,7 @@ int prism2_wds_add(local_info_t *local, u8 *remote_addr, if (prism2_wds_special_addr(iface->u.wds.remote_addr)) empty = iface; - else if (memcmp(iface->u.wds.remote_addr, remote_addr, - ETH_ALEN) == 0) { + else if (ether_addr_equal(iface->u.wds.remote_addr, remote_addr)) { match = iface; break; } @@ -188,7 +180,7 @@ int prism2_wds_add(local_info_t *local, u8 *remote_addr, return -ENOBUFS; /* verify that there is room for wds# postfix in the interface name */ - if (strlen(local->dev->name) > IFNAMSIZ - 5) { + if (strlen(local->dev->name) >= IFNAMSIZ - 5) { printk(KERN_DEBUG "'%s' too long base device name\n", local->dev->name); return -EINVAL; @@ -221,8 +213,7 @@ int prism2_wds_del(local_info_t *local, u8 *remote_addr, if (iface->type != HOSTAP_INTERFACE_WDS) continue; - if (memcmp(iface->u.wds.remote_addr, remote_addr, - ETH_ALEN) == 0) { + if (ether_addr_equal(iface->u.wds.remote_addr, remote_addr)) { selected = iface; break; } @@ -251,8 +242,7 @@ u16 hostap_tx_callback_register(local_info_t *local, unsigned long flags; struct hostap_tx_callback_info *entry; - entry = (struct hostap_tx_callback_info *) kmalloc(sizeof(*entry), - GFP_ATOMIC); + entry = kmalloc(sizeof(*entry), GFP_KERNEL); if (entry == NULL) return 0; @@ -297,7 +287,7 @@ int hostap_tx_callback_unregister(local_info_t *local, u16 idx) int hostap_set_word(struct net_device *dev, int rid, u16 val) { struct hostap_interface *iface; - u16 tmp = cpu_to_le16(val); + __le16 tmp = cpu_to_le16(val); iface = netdev_priv(dev); return iface->local->func->set_rid(dev, rid, &tmp, 2); } @@ -344,10 +334,11 @@ int hostap_set_encryption(local_info_t *local) char keybuf[WEP_KEY_LEN + 1]; enum { NONE, WEP, OTHER } encrypt_type; - idx = local->tx_keyidx; - if (local->crypt[idx] == NULL || local->crypt[idx]->ops == NULL) + 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[idx]->ops->name, "WEP") == 0) + else if (strcmp(local->crypt_info.crypt[idx]->ops->name, "WEP") == 0) encrypt_type = WEP; else encrypt_type = OTHER; @@ -395,17 +386,17 @@ int hostap_set_encryption(local_info_t *local) /* 104-bit support seems to require that all the keys are set to the * same keylen */ keylen = 6; /* first 5 octets */ - len = local->crypt[idx]->ops->get_key(keybuf, sizeof(keybuf), - NULL, local->crypt[idx]->priv); + 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[i]) { - (void) local->crypt[i]->ops->get_key( + if (local->crypt_info.crypt[i]) { + (void) local->crypt_info.crypt[i]->ops->get_key( keybuf, sizeof(keybuf), - NULL, local->crypt[i]->priv); + NULL, local->crypt_info.crypt[i]->priv); } if (local->func->set_rid(local->dev, HFA384X_RID_CNFDEFAULTKEY0 + i, @@ -543,19 +534,18 @@ void hostap_dump_rx_header(const char *name, const struct hfa384x_rx_frame *rx) 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, WLAN_FC_GET_TYPE(fc) >> 2, WLAN_FC_GET_STYPE(fc) >> 4, + 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=" MACSTR " A2=" MACSTR " A3=" MACSTR " A4=" - MACSTR "\n", - MAC2STR(rx->addr1), MAC2STR(rx->addr2), MAC2STR(rx->addr3), - MAC2STR(rx->addr4)); + printk(KERN_DEBUG " A1=%pM A2=%pM A3=%pM A4=%pM\n", + rx->addr1, rx->addr2, rx->addr3, rx->addr4); - printk(KERN_DEBUG " dst=" MACSTR " src=" MACSTR " len=%d\n", - MAC2STR(rx->dst_addr), MAC2STR(rx->src_addr), + printk(KERN_DEBUG " dst=%pM src=%pM len=%d\n", + rx->dst_addr, rx->src_addr, __be16_to_cpu(rx->len)); } @@ -572,76 +562,40 @@ void hostap_dump_tx_header(const char *name, const struct hfa384x_tx_frame *tx) 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, WLAN_FC_GET_TYPE(fc) >> 2, WLAN_FC_GET_STYPE(fc) >> 4, + 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=" MACSTR " A2=" MACSTR " A3=" MACSTR " A4=" - MACSTR "\n", - MAC2STR(tx->addr1), MAC2STR(tx->addr2), MAC2STR(tx->addr3), - MAC2STR(tx->addr4)); + printk(KERN_DEBUG " A1=%pM A2=%pM A3=%pM A4=%pM\n", + tx->addr1, tx->addr2, tx->addr3, tx->addr4); - printk(KERN_DEBUG " dst=" MACSTR " src=" MACSTR " len=%d\n", - MAC2STR(tx->dst_addr), MAC2STR(tx->src_addr), + printk(KERN_DEBUG " dst=%pM src=%pM len=%d\n", + tx->dst_addr, tx->src_addr, __be16_to_cpu(tx->len)); } -int hostap_80211_header_parse(struct sk_buff *skb, unsigned char *haddr) -{ - memcpy(haddr, skb->mac.raw + 10, ETH_ALEN); /* addr2 */ - return ETH_ALEN; -} - - -int hostap_80211_prism_header_parse(struct sk_buff *skb, unsigned char *haddr) +static int hostap_80211_header_parse(const struct sk_buff *skb, + unsigned char *haddr) { - if (*(u32 *)skb->mac.raw == LWNG_CAP_DID_BASE) { - memcpy(haddr, skb->mac.raw + - sizeof(struct linux_wlan_ng_prism_hdr) + 10, - ETH_ALEN); /* addr2 */ - } else { /* (*(u32 *)skb->mac.raw == htonl(LWNG_CAPHDR_VERSION)) */ - memcpy(haddr, skb->mac.raw + - sizeof(struct linux_wlan_ng_cap_hdr) + 10, - ETH_ALEN); /* addr2 */ - } + memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */ return ETH_ALEN; } -int hostap_80211_get_hdrlen(u16 fc) -{ - int hdrlen = 24; - - switch (WLAN_FC_GET_TYPE(fc)) { - case IEEE80211_FTYPE_DATA: - if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) - hdrlen = 30; /* Addr4 */ - break; - case IEEE80211_FTYPE_CTL: - switch (WLAN_FC_GET_STYPE(fc)) { - case IEEE80211_STYPE_CTS: - case IEEE80211_STYPE_ACK: - hdrlen = 10; - break; - default: - hdrlen = 16; - break; - } - break; - } - - return hdrlen; -} - - -struct net_device_stats *hostap_get_stats(struct net_device *dev) +int hostap_80211_get_hdrlen(__le16 fc) { - struct hostap_interface *iface; - iface = netdev_priv(dev); - return &iface->stats; + 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; } @@ -674,7 +628,13 @@ static int prism2_close(struct net_device *dev) netif_device_detach(dev); } - flush_scheduled_work(); + 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); @@ -705,7 +665,7 @@ static int prism2_open(struct net_device *dev) if (local->no_pri) { printk(KERN_DEBUG "%s: could not set interface UP - no PRI " "f/w\n", dev->name); - return 1; + return -ENODEV; } if ((local->func->card_present && !local->func->card_present(local)) || @@ -720,7 +680,7 @@ static int prism2_open(struct net_device *dev) printk(KERN_WARNING "%s: could not enable MAC port\n", dev->name); prism2_close(dev); - return 1; + return -ENODEV; } if (!local->dev_enabled) prism2_callback(local, PRISM2_CALLBACK_ENABLE); @@ -768,14 +728,12 @@ static int prism2_set_mac_address(struct net_device *dev, void *p) /* TODO: to be further implemented as soon as Prism2 fully supports * GroupAddresses and correct documentation is available */ -void hostap_set_multicast_list_queue(void *data) +void hostap_set_multicast_list_queue(struct work_struct *work) { - struct net_device *dev = (struct net_device *) data; - struct hostap_interface *iface; - local_info_t *local; + local_info_t *local = + container_of(work, local_info_t, set_multicast_list_queue); + struct net_device *dev = local->dev; - iface = netdev_priv(dev); - local = iface->local; if (hostap_set_word(dev, HFA384X_RID_PROMISCUOUSMODE, local->is_promisc)) { printk(KERN_INFO "%s: %sabling promiscuous mode failed\n", @@ -838,46 +796,95 @@ static void prism2_tx_timeout(struct net_device *dev) local->func->schedule_reset(local); } +const struct header_ops hostap_80211_ops = { + .create = eth_header, + .rebuild = eth_rebuild_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_do_ioctl = hostap_ioctl, + .ndo_set_mac_address = prism2_set_mac_address, + .ndo_set_rx_mode = hostap_set_multicast_list, + .ndo_change_mtu = prism2_change_mtu, + .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_do_ioctl = hostap_ioctl, + .ndo_set_mac_address = prism2_set_mac_address, + .ndo_set_rx_mode = hostap_set_multicast_list, + .ndo_change_mtu = prism2_change_mtu, + .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_do_ioctl = hostap_ioctl, + .ndo_set_mac_address = prism2_set_mac_address, + .ndo_set_rx_mode = hostap_set_multicast_list, + .ndo_change_mtu = prism2_change_mtu, + .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 main_dev) + int type) { struct hostap_interface *iface; iface = netdev_priv(dev); ether_setup(dev); + dev->priv_flags &= ~IFF_TX_SKB_SHARING; /* kernel callbacks */ - dev->get_stats = hostap_get_stats; 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 = - (struct iw_handler_def *) &hostap_iw_handler_def; - dev->do_ioctl = hostap_ioctl; - dev->open = prism2_open; - dev->stop = prism2_close; - dev->hard_start_xmit = hostap_data_start_xmit; - dev->set_mac_address = prism2_set_mac_address; - dev->set_multicast_list = hostap_set_multicast_list; - dev->change_mtu = prism2_change_mtu; - dev->tx_timeout = prism2_tx_timeout; + dev->wireless_handlers = &hostap_iw_handler_def; dev->watchdog_timeo = TX_TIMEOUT; - dev->mtu = local->mtu; - if (!main_dev) { - /* use main radio device queue */ - dev->tx_queue_len = 0; + switch(type) { + case HOSTAP_INTERFACE_AP: + dev->tx_queue_len = 0; /* 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->tx_queue_len = 0; /* use main radio device queue */ + dev->netdev_ops = &hostap_netdev_ops; } - SET_ETHTOOL_OPS(dev, &prism2_ethtool_ops); + dev->mtu = local->mtu; - netif_stop_queue(dev); -} + dev->ethtool_ops = &prism2_ethtool_ops; + +} static int hostap_enable_hostapd(local_info_t *local, int rtnl_locked) { @@ -894,10 +901,6 @@ static int hostap_enable_hostapd(local_info_t *local, int rtnl_locked) if (local->apdev == NULL) return -ENOMEM; - local->apdev->hard_start_xmit = hostap_mgmt_start_xmit; - local->apdev->type = ARPHRD_IEEE80211; - local->apdev->hard_header_parse = hostap_80211_header_parse; - return 0; } @@ -1064,7 +1067,8 @@ int prism2_sta_send_mgmt(local_info_t *local, u8 *dst, u16 stype, meta->iface = netdev_priv(dev); skb->dev = dev; - skb->mac.raw = skb->nh.raw = skb->data; + skb_reset_mac_header(skb); + skb_reset_network_header(skb); dev_queue_xmit(skb); return 0; @@ -1075,15 +1079,15 @@ 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 || - memcmp(local->bssid, "\x00\x00\x00\x00\x00\x00", ETH_ALEN) == 0 || - memcmp(local->bssid, "\x44\x44\x44\x44\x44\x44", ETH_ALEN) == 0) + is_zero_ether_addr(local->bssid) || + ether_addr_equal(local->bssid, "\x44\x44\x44\x44\x44\x44")) return 0; - reason = cpu_to_le16(reason); ret = prism2_sta_send_mgmt(local, local->bssid, IEEE80211_STYPE_DEAUTH, - (u8 *) &reason, 2); + (u8 *) &val, 2); memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN); wireless_send_event(local->dev, SIOCGIWAP, &wrqu, NULL); return ret; @@ -1094,8 +1098,8 @@ struct proc_dir_entry *hostap_proc; static int __init hostap_init(void) { - if (proc_net != NULL) { - hostap_proc = proc_mkdir("hostap", proc_net); + 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"); @@ -1110,7 +1114,7 @@ static void __exit hostap_exit(void) { if (hostap_proc != NULL) { hostap_proc = NULL; - remove_proc_entry("hostap", proc_net); + remove_proc_entry("hostap", init_net.proc_net); } } @@ -1124,12 +1128,8 @@ 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_header_parse); -EXPORT_SYMBOL(hostap_80211_prism_header_parse); EXPORT_SYMBOL(hostap_80211_get_hdrlen); -EXPORT_SYMBOL(hostap_get_stats); EXPORT_SYMBOL(hostap_setup_dev); -EXPORT_SYMBOL(hostap_proc); EXPORT_SYMBOL(hostap_set_multicast_list_queue); EXPORT_SYMBOL(hostap_set_hostapd); EXPORT_SYMBOL(hostap_set_hostapd_sta); |
