* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/if_arp.h>
#include <linux/netdevice.h>
#include <linux/rtnetlink.h>
#include <net/mac80211.h>
+#include <net/ieee80211_radiotap.h>
#include "ieee80211_i.h"
#include "sta_info.h"
#include "debugfs_netdev.h"
#include "mesh.h"
#include "led.h"
#include "driver-ops.h"
+#include "wme.h"
/**
* DOC: Interface list locking
return 0;
}
+static int ieee80211_change_mac(struct net_device *dev, void *addr)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct sockaddr *sa = addr;
+ int ret;
+
+ if (ieee80211_sdata_running(sdata))
+ return -EBUSY;
+
+ ret = eth_mac_addr(dev, sa);
+
+ if (ret == 0)
+ memcpy(sdata->vif.addr, sa->sa_data, ETH_ALEN);
+
+ return ret;
+}
+
static inline int identical_mac_addr_allowed(int type1, int type2)
{
return type1 == NL80211_IFTYPE_MONITOR ||
struct ieee80211_sub_if_data *nsdata;
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
- struct ieee80211_if_init_conf conf;
u32 changed = 0;
int res;
u32 hw_reconf_flags = 0;
list_for_each_entry(nsdata, &local->interfaces, list) {
struct net_device *ndev = nsdata->dev;
- if (ndev != dev && netif_running(ndev)) {
+ if (ndev != dev && ieee80211_sdata_running(nsdata)) {
/*
* Allow only a single IBSS interface to be up at any
* time. This is restricted because beacon distribution
struct net_device *ndev = nsdata->dev;
/*
- * No need to check netif_running since we do not allow
+ * No need to check running since we do not allow
* it to start up with this invalid address.
*/
if (compare_ether_addr(null_addr, ndev->dev_addr) == 0) {
ieee80211_configure_filter(local);
break;
default:
- conf.vif = &sdata->vif;
- conf.type = sdata->vif.type;
- conf.mac_addr = dev->dev_addr;
- res = drv_add_interface(local, &conf);
+ res = drv_add_interface(local, &sdata->vif);
if (res)
goto err_stop;
if (sdata->vif.type == NL80211_IFTYPE_STATION)
ieee80211_queue_work(&local->hw, &sdata->u.mgd.work);
- netif_start_queue(dev);
+ netif_tx_start_all_queues(dev);
return 0;
err_del_interface:
- drv_remove_interface(local, &conf);
+ drv_remove_interface(local, &sdata->vif);
err_stop:
if (!local->open_count)
drv_stop(local);
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_init_conf conf;
struct sta_info *sta;
unsigned long flags;
struct sk_buff *skb, *tmp;
/*
* Stop TX on this interface first.
*/
- netif_stop_queue(dev);
+ netif_tx_stop_all_queues(dev);
+
+ /*
+ * Purge work for this interface.
+ */
+ ieee80211_work_purge(sdata);
/*
* Now delete all active aggregation sessions.
netif_addr_lock_bh(dev);
spin_lock_bh(&local->filter_lock);
- __dev_addr_unsync(&local->mc_list, &local->mc_count,
- &dev->mc_list, &dev->mc_count);
+ __hw_addr_unsync(&local->mc_list, &dev->mc, dev->addr_len);
spin_unlock_bh(&local->filter_lock);
netif_addr_unlock_bh(dev);
cancel_work_sync(&sdata->u.mgd.work);
cancel_work_sync(&sdata->u.mgd.chswitch_work);
cancel_work_sync(&sdata->u.mgd.monitor_work);
- cancel_work_sync(&sdata->u.mgd.beacon_loss_work);
+ cancel_work_sync(&sdata->u.mgd.beacon_connection_loss_work);
/*
* When we get here, the interface is marked down.
BSS_CHANGED_BEACON_ENABLED);
}
- conf.vif = &sdata->vif;
- conf.type = sdata->vif.type;
- conf.mac_addr = dev->dev_addr;
/* disable all keys for as long as this netdev is down */
ieee80211_disable_keys(sdata);
- drv_remove_interface(local, &conf);
+ drv_remove_interface(local, &sdata->vif);
}
sdata->bss = NULL;
sdata->flags ^= IEEE80211_SDATA_PROMISC;
}
spin_lock_bh(&local->filter_lock);
- __dev_addr_sync(&local->mc_list, &local->mc_count,
- &dev->mc_list, &dev->mc_count);
+ __hw_addr_sync(&local->mc_list, &dev->mc, dev->addr_len);
spin_unlock_bh(&local->filter_lock);
ieee80211_queue_work(&local->hw, &local->reconfig_filter);
}
WARN_ON(flushed);
}
+static u16 ieee80211_netdev_select_queue(struct net_device *dev,
+ struct sk_buff *skb)
+{
+ return ieee80211_select_queue(IEEE80211_DEV_TO_SUB_IF(dev), skb);
+}
+
static const struct net_device_ops ieee80211_dataif_ops = {
.ndo_open = ieee80211_open,
.ndo_stop = ieee80211_stop,
.ndo_start_xmit = ieee80211_subif_start_xmit,
.ndo_set_multicast_list = ieee80211_set_multicast_list,
.ndo_change_mtu = ieee80211_change_mtu,
- .ndo_set_mac_address = eth_mac_addr,
+ .ndo_set_mac_address = ieee80211_change_mac,
+ .ndo_select_queue = ieee80211_netdev_select_queue,
};
+static u16 ieee80211_monitor_select_queue(struct net_device *dev,
+ struct sk_buff *skb)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_hdr *hdr;
+ struct ieee80211_radiotap_header *rtap = (void *)skb->data;
+ u8 *p;
+
+ if (local->hw.queues < 4)
+ return 0;
+
+ if (skb->len < 4 ||
+ skb->len < le16_to_cpu(rtap->it_len) + 2 /* frame control */)
+ return 0; /* doesn't matter, frame will be dropped */
+
+ hdr = (void *)((u8 *)skb->data + le16_to_cpu(rtap->it_len));
+
+ if (!ieee80211_is_data(hdr->frame_control)) {
+ skb->priority = 7;
+ return ieee802_1d_to_ac[skb->priority];
+ }
+ if (!ieee80211_is_data_qos(hdr->frame_control)) {
+ skb->priority = 0;
+ return ieee802_1d_to_ac[skb->priority];
+ }
+
+ p = ieee80211_get_qos_ctl(hdr);
+ skb->priority = *p & IEEE80211_QOS_CTL_TAG1D_MASK;
+
+ return ieee80211_downgrade_queue(local, skb);
+}
+
static const struct net_device_ops ieee80211_monitorif_ops = {
.ndo_open = ieee80211_open,
.ndo_stop = ieee80211_stop,
.ndo_set_multicast_list = ieee80211_set_multicast_list,
.ndo_change_mtu = ieee80211_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
+ .ndo_select_queue = ieee80211_monitor_select_queue,
};
static void ieee80211_if_setup(struct net_device *dev)
* and goes into the requested mode.
*/
- if (netif_running(sdata->dev))
+ if (ieee80211_sdata_running(sdata))
return -EBUSY;
/* Purge and reset type-dependent state. */
return 0;
}
+static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
+ struct net_device *dev,
+ enum nl80211_iftype type)
+{
+ struct ieee80211_sub_if_data *sdata;
+ u64 mask, start, addr, val, inc;
+ u8 *m;
+ u8 tmp_addr[ETH_ALEN];
+ int i;
+
+ /* default ... something at least */
+ memcpy(dev->perm_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
+
+ if (is_zero_ether_addr(local->hw.wiphy->addr_mask) &&
+ local->hw.wiphy->n_addresses <= 1)
+ return;
+
+
+ mutex_lock(&local->iflist_mtx);
+
+ switch (type) {
+ case NL80211_IFTYPE_MONITOR:
+ /* doesn't matter */
+ break;
+ case NL80211_IFTYPE_WDS:
+ case NL80211_IFTYPE_AP_VLAN:
+ /* match up with an AP interface */
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (sdata->vif.type != NL80211_IFTYPE_AP)
+ continue;
+ memcpy(dev->perm_addr, sdata->vif.addr, ETH_ALEN);
+ break;
+ }
+ /* keep default if no AP interface present */
+ break;
+ default:
+ /* assign a new address if possible -- try n_addresses first */
+ for (i = 0; i < local->hw.wiphy->n_addresses; i++) {
+ bool used = false;
+
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (memcmp(local->hw.wiphy->addresses[i].addr,
+ sdata->vif.addr, ETH_ALEN) == 0) {
+ used = true;
+ break;
+ }
+ }
+
+ if (!used) {
+ memcpy(dev->perm_addr,
+ local->hw.wiphy->addresses[i].addr,
+ ETH_ALEN);
+ break;
+ }
+ }
+
+ /* try mask if available */
+ if (is_zero_ether_addr(local->hw.wiphy->addr_mask))
+ break;
+
+ m = local->hw.wiphy->addr_mask;
+ mask = ((u64)m[0] << 5*8) | ((u64)m[1] << 4*8) |
+ ((u64)m[2] << 3*8) | ((u64)m[3] << 2*8) |
+ ((u64)m[4] << 1*8) | ((u64)m[5] << 0*8);
+
+ if (__ffs64(mask) + hweight64(mask) != fls64(mask)) {
+ /* not a contiguous mask ... not handled now! */
+ printk(KERN_DEBUG "not contiguous\n");
+ break;
+ }
+
+ m = local->hw.wiphy->perm_addr;
+ start = ((u64)m[0] << 5*8) | ((u64)m[1] << 4*8) |
+ ((u64)m[2] << 3*8) | ((u64)m[3] << 2*8) |
+ ((u64)m[4] << 1*8) | ((u64)m[5] << 0*8);
+
+ inc = 1ULL<<__ffs64(mask);
+ val = (start & mask);
+ addr = (start & ~mask) | (val & mask);
+ do {
+ bool used = false;
+
+ tmp_addr[5] = addr >> 0*8;
+ tmp_addr[4] = addr >> 1*8;
+ tmp_addr[3] = addr >> 2*8;
+ tmp_addr[2] = addr >> 3*8;
+ tmp_addr[1] = addr >> 4*8;
+ tmp_addr[0] = addr >> 5*8;
+
+ val += inc;
+
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (memcmp(tmp_addr, sdata->vif.addr,
+ ETH_ALEN) == 0) {
+ used = true;
+ break;
+ }
+ }
+
+ if (!used) {
+ memcpy(dev->perm_addr, tmp_addr, ETH_ALEN);
+ break;
+ }
+ addr = (start & ~mask) | (val & mask);
+ } while (addr != start);
+
+ break;
+ }
+
+ mutex_unlock(&local->iflist_mtx);
+}
+
int ieee80211_if_add(struct ieee80211_local *local, const char *name,
struct net_device **new_dev, enum nl80211_iftype type,
struct vif_params *params)
ASSERT_RTNL();
- ndev = alloc_netdev(sizeof(*sdata) + local->hw.vif_data_size,
- name, ieee80211_if_setup);
+ ndev = alloc_netdev_mq(sizeof(*sdata) + local->hw.vif_data_size,
+ name, ieee80211_if_setup, local->hw.queues);
if (!ndev)
return -ENOMEM;
dev_net_set(ndev, wiphy_net(local->hw.wiphy));
if (ret < 0)
goto fail;
- memcpy(ndev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
- memcpy(ndev->perm_addr, ndev->dev_addr, ETH_ALEN);
+ ieee80211_assign_perm_addr(local, ndev, type);
+ memcpy(ndev->dev_addr, ndev->perm_addr, ETH_ALEN);
SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
/* don't use IEEE80211_DEV_TO_SUB_IF because it checks too much */
sdata = netdev_priv(ndev);
ndev->ieee80211_ptr = &sdata->wdev;
+ memcpy(sdata->vif.addr, ndev->dev_addr, ETH_ALEN);
+ memcpy(sdata->name, ndev->name, IFNAMSIZ);
/* initialise type-independent data */
sdata->wdev.wiphy = local->hw.wiphy;
INIT_LIST_HEAD(&sdata->key_list);
- sdata->force_unicast_rateidx = -1;
- sdata->max_ratectrl_rateidx = -1;
+ for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
+ struct ieee80211_supported_band *sband;
+ sband = local->hw.wiphy->bands[i];
+ sdata->rc_rateidx_mask[i] =
+ sband ? (1 << sband->n_bitrates) - 1 : 0;
+ }
/* setup type-dependent data */
ieee80211_setup_sdata(sdata, type);
void ieee80211_remove_interfaces(struct ieee80211_local *local)
{
struct ieee80211_sub_if_data *sdata, *tmp;
+ LIST_HEAD(unreg_list);
ASSERT_RTNL();
+ mutex_lock(&local->iflist_mtx);
list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
- /*
- * we cannot hold the iflist_mtx across unregister_netdevice,
- * but we only need to hold it for list modifications to lock
- * out readers since we're under the RTNL here as all other
- * writers.
- */
- mutex_lock(&local->iflist_mtx);
list_del(&sdata->list);
- mutex_unlock(&local->iflist_mtx);
- unregister_netdevice(sdata->dev);
+ unregister_netdevice_queue(sdata->dev, &unreg_list);
}
+ mutex_unlock(&local->iflist_mtx);
+ unregister_netdevice_many(&unreg_list);
}
static u32 ieee80211_idle_off(struct ieee80211_local *local,
wiphy_name(local->hw.wiphy));
#endif
+ drv_flush(local, false);
+
local->hw.conf.flags |= IEEE80211_CONF_IDLE;
return IEEE80211_CONF_CHANGE_IDLE;
}
struct ieee80211_sub_if_data *sdata;
int count = 0;
+ if (!list_empty(&local->work_list))
+ return ieee80211_idle_off(local, "working");
+
if (local->scanning)
return ieee80211_idle_off(local, "scanning");
list_for_each_entry(sdata, &local->interfaces, list) {
- if (!netif_running(sdata->dev))
+ if (!ieee80211_sdata_running(sdata))
continue;
/* do not count disabled managed interfaces */
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
- !sdata->u.mgd.associated &&
- list_empty(&sdata->u.mgd.work_list))
+ !sdata->u.mgd.associated)
continue;
/* do not count unused IBSS interfaces */
if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
if (chg)
ieee80211_hw_config(local, chg);
}
+
+static int netdev_notify(struct notifier_block *nb,
+ unsigned long state,
+ void *ndev)
+{
+ struct net_device *dev = ndev;
+ struct ieee80211_sub_if_data *sdata;
+
+ if (state != NETDEV_CHANGENAME)
+ return 0;
+
+ if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
+ return 0;
+
+ if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
+ return 0;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ memcpy(sdata->name, dev->name, IFNAMSIZ);
+
+ ieee80211_debugfs_rename_netdev(sdata);
+ return 0;
+}
+
+static struct notifier_block mac80211_netdev_notifier = {
+ .notifier_call = netdev_notify,
+};
+
+int ieee80211_iface_init(void)
+{
+ return register_netdevice_notifier(&mac80211_netdev_notifier);
+}
+
+void ieee80211_iface_exit(void)
+{
+ unregister_netdevice_notifier(&mac80211_netdev_notifier);
+}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff