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authorDavid S. Miller <davem@davemloft.net>2008-07-14 20:40:34 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-14 20:40:34 -0700
commitfc943b12e48f9341bce48c2fadf094cc721aab93 (patch)
tree8c3244d7f5fae4edbfe0a5103789b0bc5c64f478 /net/mac80211
parent72d9794f444734af56ef12833b496326643e2964 (diff)
parent4c9adafff7d910f142fe44fae37ed12c6b99f20f (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/cfg.c36
-rw-r--r--net/mac80211/debugfs.c15
-rw-r--r--net/mac80211/debugfs_netdev.c48
-rw-r--r--net/mac80211/debugfs_netdev.h5
-rw-r--r--net/mac80211/ieee80211_i.h67
-rw-r--r--net/mac80211/iface.c392
-rw-r--r--net/mac80211/main.c171
-rw-r--r--net/mac80211/mlme.c172
-rw-r--r--net/mac80211/rc80211_pid_algo.c8
-rw-r--r--net/mac80211/rx.c38
-rw-r--r--net/mac80211/sta_info.c29
-rw-r--r--net/mac80211/sta_info.h1
-rw-r--r--net/mac80211/tx.c126
-rw-r--r--net/mac80211/util.c4
-rw-r--r--net/mac80211/wext.c65
15 files changed, 534 insertions, 643 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 81087281b03..8e7ba0e62cf 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -50,14 +50,11 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
struct ieee80211_sub_if_data *sdata;
int err;
- if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
- return -ENODEV;
-
itype = nl80211_type_to_mac80211_type(type);
if (itype == IEEE80211_IF_TYPE_INVALID)
return -EINVAL;
- err = ieee80211_if_add(local->mdev, name, &dev, itype, params);
+ err = ieee80211_if_add(local, name, &dev, itype, params);
if (err || itype != IEEE80211_IF_TYPE_MNTR || !flags)
return err;
@@ -68,54 +65,41 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
{
- struct ieee80211_local *local = wiphy_priv(wiphy);
struct net_device *dev;
- char *name;
-
- if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
- return -ENODEV;
/* we're under RTNL */
dev = __dev_get_by_index(&init_net, ifindex);
if (!dev)
- return 0;
+ return -ENODEV;
- name = dev->name;
+ ieee80211_if_remove(dev);
- return ieee80211_if_remove(local->mdev, name, -1);
+ return 0;
}
static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params)
{
- struct ieee80211_local *local = wiphy_priv(wiphy);
struct net_device *dev;
enum ieee80211_if_types itype;
struct ieee80211_sub_if_data *sdata;
-
- if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED))
- return -ENODEV;
+ int ret;
/* we're under RTNL */
dev = __dev_get_by_index(&init_net, ifindex);
if (!dev)
return -ENODEV;
- if (netif_running(dev))
- return -EBUSY;
-
itype = nl80211_type_to_mac80211_type(type);
if (itype == IEEE80211_IF_TYPE_INVALID)
return -EINVAL;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
- return -EOPNOTSUPP;
-
- ieee80211_if_reinit(dev);
- ieee80211_if_set_type(dev, itype);
+ ret = ieee80211_if_change_type(sdata, itype);
+ if (ret)
+ return ret;
if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
ieee80211_if_sta_set_mesh_id(&sdata->u.sta,
@@ -485,7 +469,7 @@ static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
kfree(old);
- return ieee80211_if_config_beacon(sdata->dev);
+ return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
}
static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
@@ -539,7 +523,7 @@ static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
synchronize_rcu();
kfree(old);
- return ieee80211_if_config_beacon(dev);
+ return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
}
/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index d20d90eead1..ee509f1109e 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -70,16 +70,6 @@ DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s",
/* statistics stuff */
-static inline int rtnl_lock_local(struct ieee80211_local *local)
-{
- rtnl_lock();
- if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) {
- rtnl_unlock();
- return -ENODEV;
- }
- return 0;
-}
-
#define DEBUGFS_STATS_FILE(name, buflen, fmt, value...) \
DEBUGFS_READONLY_FILE(stats_ ##name, buflen, fmt, ##value)
@@ -96,10 +86,7 @@ static ssize_t format_devstat_counter(struct ieee80211_local *local,
if (!local->ops->get_stats)
return -EOPNOTSUPP;
- res = rtnl_lock_local(local);
- if (res)
- return res;
-
+ rtnl_lock();
res = local->ops->get_stats(local_to_hw(local), &stats);
rtnl_unlock();
if (!res)
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index b2089b2da48..475f89a8aee 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -156,6 +156,8 @@ static const struct file_operations name##_ops = { \
/* common attributes */
IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
+IEEE80211_IF_FILE(force_unicast_rateidx, force_unicast_rateidx, DEC);
+IEEE80211_IF_FILE(max_ratectrl_rateidx, max_ratectrl_rateidx, DEC);
/* STA/IBSS attributes */
IEEE80211_IF_FILE(state, u.sta.state, DEC);
@@ -191,8 +193,6 @@ __IEEE80211_IF_FILE(flags);
IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
IEEE80211_IF_FILE(num_beacons, u.ap.num_beacons, DEC);
-IEEE80211_IF_FILE(force_unicast_rateidx, u.ap.force_unicast_rateidx, DEC);
-IEEE80211_IF_FILE(max_ratectrl_rateidx, u.ap.max_ratectrl_rateidx, DEC);
static ssize_t ieee80211_if_fmt_num_buffered_multicast(
const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
@@ -248,6 +248,9 @@ IEEE80211_IF_WFILE(min_discovery_timeout,
static void add_sta_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_ADD(drop_unencrypted, sta);
+ DEBUGFS_ADD(force_unicast_rateidx, ap);
+ DEBUGFS_ADD(max_ratectrl_rateidx, ap);
+
DEBUGFS_ADD(state, sta);
DEBUGFS_ADD(bssid, sta);
DEBUGFS_ADD(prev_bssid, sta);
@@ -268,23 +271,29 @@ static void add_sta_files(struct ieee80211_sub_if_data *sdata)
static void add_ap_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_ADD(drop_unencrypted, ap);
+ DEBUGFS_ADD(force_unicast_rateidx, ap);
+ DEBUGFS_ADD(max_ratectrl_rateidx, ap);
+
DEBUGFS_ADD(num_sta_ps, ap);
DEBUGFS_ADD(dtim_count, ap);
DEBUGFS_ADD(num_beacons, ap);
- DEBUGFS_ADD(force_unicast_rateidx, ap);
- DEBUGFS_ADD(max_ratectrl_rateidx, ap);
DEBUGFS_ADD(num_buffered_multicast, ap);
}
static void add_wds_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_ADD(drop_unencrypted, wds);
+ DEBUGFS_ADD(force_unicast_rateidx, ap);
+ DEBUGFS_ADD(max_ratectrl_rateidx, ap);
+
DEBUGFS_ADD(peer, wds);
}
static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_ADD(drop_unencrypted, vlan);
+ DEBUGFS_ADD(force_unicast_rateidx, ap);
+ DEBUGFS_ADD(max_ratectrl_rateidx, ap);
}
static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
@@ -372,6 +381,9 @@ static void add_files(struct ieee80211_sub_if_data *sdata)
static void del_sta_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_DEL(drop_unencrypted, sta);
+ DEBUGFS_DEL(force_unicast_rateidx, ap);
+ DEBUGFS_DEL(max_ratectrl_rateidx, ap);
+
DEBUGFS_DEL(state, sta);
DEBUGFS_DEL(bssid, sta);
DEBUGFS_DEL(prev_bssid, sta);
@@ -392,23 +404,29 @@ static void del_sta_files(struct ieee80211_sub_if_data *sdata)
static void del_ap_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_DEL(drop_unencrypted, ap);
+ DEBUGFS_DEL(force_unicast_rateidx, ap);
+ DEBUGFS_DEL(max_ratectrl_rateidx, ap);
+
DEBUGFS_DEL(num_sta_ps, ap);
DEBUGFS_DEL(dtim_count, ap);
DEBUGFS_DEL(num_beacons, ap);
- DEBUGFS_DEL(force_unicast_rateidx, ap);
- DEBUGFS_DEL(max_ratectrl_rateidx, ap);
DEBUGFS_DEL(num_buffered_multicast, ap);
}
static void del_wds_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_DEL(drop_unencrypted, wds);
+ DEBUGFS_DEL(force_unicast_rateidx, ap);
+ DEBUGFS_DEL(max_ratectrl_rateidx, ap);
+
DEBUGFS_DEL(peer, wds);
}
static void del_vlan_files(struct ieee80211_sub_if_data *sdata)
{
DEBUGFS_DEL(drop_unencrypted, vlan);
+ DEBUGFS_DEL(force_unicast_rateidx, ap);
+ DEBUGFS_DEL(max_ratectrl_rateidx, ap);
}
static void del_monitor_files(struct ieee80211_sub_if_data *sdata)
@@ -458,12 +476,12 @@ static void del_mesh_config(struct ieee80211_sub_if_data *sdata)
}
#endif
-static void del_files(struct ieee80211_sub_if_data *sdata, int type)
+static void del_files(struct ieee80211_sub_if_data *sdata)
{
if (!sdata->debugfsdir)
return;
- switch (type) {
+ switch (sdata->vif.type) {
case IEEE80211_IF_TYPE_MESH_POINT:
#ifdef CONFIG_MAC80211_MESH
del_mesh_stats(sdata);
@@ -503,29 +521,23 @@ void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
sprintf(buf, "netdev:%s", sdata->dev->name);
sdata->debugfsdir = debugfs_create_dir(buf,
sdata->local->hw.wiphy->debugfsdir);
+ add_files(sdata);
}
void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
{
- del_files(sdata, sdata->vif.type);
+ del_files(sdata);
debugfs_remove(sdata->debugfsdir);
sdata->debugfsdir = NULL;
}
-void ieee80211_debugfs_change_if_type(struct ieee80211_sub_if_data *sdata,
- int oldtype)
-{
- del_files(sdata, oldtype);
- add_files(sdata);
-}
-
static int netdev_notify(struct notifier_block *nb,
unsigned long state,
void *ndev)
{
struct net_device *dev = ndev;
struct dentry *dir;
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_sub_if_data *sdata;
char buf[10+IFNAMSIZ];
if (state != NETDEV_CHANGENAME)
@@ -537,6 +549,8 @@ static int netdev_notify(struct notifier_block *nb,
if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
return 0;
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
sprintf(buf, "netdev:%s", dev->name);
dir = sdata->debugfsdir;
if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
diff --git a/net/mac80211/debugfs_netdev.h b/net/mac80211/debugfs_netdev.h
index a690071fde8..7af731f0b73 100644
--- a/net/mac80211/debugfs_netdev.h
+++ b/net/mac80211/debugfs_netdev.h
@@ -6,8 +6,6 @@
#ifdef CONFIG_MAC80211_DEBUGFS
void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata);
void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata);
-void ieee80211_debugfs_change_if_type(struct ieee80211_sub_if_data *sdata,
- int oldtype);
void ieee80211_debugfs_netdev_init(void);
void ieee80211_debugfs_netdev_exit(void);
#else
@@ -17,9 +15,6 @@ static inline void ieee80211_debugfs_add_netdev(
static inline void ieee80211_debugfs_remove_netdev(
struct ieee80211_sub_if_data *sdata)
{}
-static inline void ieee80211_debugfs_change_if_type(
- struct ieee80211_sub_if_data *sdata, int oldtype)
-{}
static inline void ieee80211_debugfs_netdev_init(void)
{}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 02a8753a4ec..cbea0154ee3 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -237,8 +237,6 @@ struct ieee80211_if_ap {
struct sk_buff_head ps_bc_buf;
atomic_t num_sta_ps; /* number of stations in PS mode */
int dtim_count;
- int force_unicast_rateidx; /* forced TX rateidx for unicast frames */
- int max_ratectrl_rateidx; /* max TX rateidx for rate control */
int num_beacons; /* number of TXed beacon frames for this BSS */
};
@@ -248,7 +246,6 @@ struct ieee80211_if_wds {
};
struct ieee80211_if_vlan {
- struct ieee80211_sub_if_data *ap;
struct list_head list;
};
@@ -422,8 +419,6 @@ struct ieee80211_sub_if_data {
*/
u64 basic_rates;
- u16 sequence;
-
/* Fragment table for host-based reassembly */
struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX];
unsigned int fragment_next;
@@ -432,16 +427,18 @@ struct ieee80211_sub_if_data {
struct ieee80211_key *keys[NUM_DEFAULT_KEYS];
struct ieee80211_key *default_key;
+ /* BSS configuration for this interface. */
+ struct ieee80211_bss_conf bss_conf;
+
/*
- * BSS configuration for this interface.
- *
- * FIXME: I feel bad putting this here when we already have a
- * bss pointer, but the bss pointer is just wrong when
- * you have multiple virtual STA mode interfaces...
- * This needs to be fixed.
+ * AP this belongs to: self in AP mode and
+ * corresponding AP in VLAN mode, NULL for
+ * all others (might be needed later in IBSS)
*/
- struct ieee80211_bss_conf bss_conf;
- struct ieee80211_if_ap *bss; /* BSS that this device belongs to */
+ struct ieee80211_if_ap *bss;
+
+ int force_unicast_rateidx; /* forced TX rateidx for unicast frames */
+ int max_ratectrl_rateidx; /* max TX rateidx for rate control */
union {
struct ieee80211_if_ap ap;
@@ -533,8 +530,6 @@ struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
return container_of(p, struct ieee80211_sub_if_data, vif);
}
-#define IEEE80211_DEV_TO_SUB_IF(dev) netdev_priv(dev)
-
enum {
IEEE80211_RX_MSG = 1,
IEEE80211_TX_STATUS_MSG = 2,
@@ -561,12 +556,6 @@ struct ieee80211_local {
bool tim_in_locked_section; /* see ieee80211_beacon_get() */
int tx_headroom; /* required headroom for hardware/radiotap */
- enum {
- IEEE80211_DEV_UNINITIALIZED = 0,
- IEEE80211_DEV_REGISTERED,
- IEEE80211_DEV_UNREGISTERED,
- } reg_state;
-
/* Tasklet and skb queue to process calls from IRQ mode. All frames
* added to skb_queue will be processed, but frames in
* skb_queue_unreliable may be dropped if the total length of these
@@ -760,6 +749,16 @@ static inline int ieee80211_is_multiqueue(struct ieee80211_local *local)
#endif
}
+static inline struct ieee80211_sub_if_data *
+IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+
+ BUG_ON(!local || local->mdev == dev);
+
+ return netdev_priv(dev);
+}
+
/* this struct represents 802.11n's RA/TID combination */
struct ieee80211_ra_tid {
u8 ra[ETH_ALEN];
@@ -853,10 +852,8 @@ static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
/* ieee80211.c */
int ieee80211_hw_config(struct ieee80211_local *local);
-int ieee80211_if_config(struct net_device *dev);
-int ieee80211_if_config_beacon(struct net_device *dev);
+int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed);
void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
-void ieee80211_if_setup(struct net_device *dev);
u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht,
struct ieee80211_ht_info *req_ht_cap,
struct ieee80211_ht_bss_info *req_bss_cap);
@@ -883,8 +880,8 @@ int ieee80211_sta_scan_results(struct net_device *dev,
ieee80211_rx_result ieee80211_sta_rx_scan(
struct net_device *dev, struct sk_buff *skb,
struct ieee80211_rx_status *rx_status);
-void ieee80211_rx_bss_list_init(struct net_device *dev);
-void ieee80211_rx_bss_list_deinit(struct net_device *dev);
+void ieee80211_rx_bss_list_init(struct ieee80211_local *local);
+void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local);
int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len);
struct sta_info *ieee80211_ibss_add_sta(struct net_device *dev,
struct sk_buff *skb, u8 *bssid,
@@ -925,17 +922,15 @@ static inline void ieee80211_start_mesh(struct net_device *dev)
{}
#endif
-/* ieee80211_iface.c */
-int ieee80211_if_add(struct net_device *dev, const char *name,
- struct net_device **new_dev, int type,
+/* interface handling */
+void ieee80211_if_setup(struct net_device *dev);
+int ieee80211_if_add(struct ieee80211_local *local, const char *name,
+ struct net_device **new_dev, enum ieee80211_if_types type,
struct vif_params *params);
-void ieee80211_if_set_type(struct net_device *dev, int type);
-void ieee80211_if_reinit(struct net_device *dev);
-void __ieee80211_if_del(struct ieee80211_local *local,
- struct ieee80211_sub_if_data *sdata);
-int ieee80211_if_remove(struct net_device *dev, const char *name, int id);
-void ieee80211_if_free(struct net_device *dev);
-void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata);
+int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
+ enum ieee80211_if_types type);
+void ieee80211_if_remove(struct net_device *dev);
+void ieee80211_remove_interfaces(struct ieee80211_local *local);
/* tx handling */
void ieee80211_clear_tx_pending(struct ieee80211_local *local);
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index eeb16926aa7..610ed1d9893 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -2,6 +2,7 @@
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
* Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
*
* 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
@@ -17,145 +18,91 @@
#include "debugfs_netdev.h"
#include "mesh.h"
-void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata)
+/*
+ * Called when the netdev is removed or, by the code below, before
+ * the interface type changes.
+ */
+static void ieee80211_teardown_sdata(struct net_device *dev)
{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+ struct beacon_data *beacon;
+ struct sk_buff *skb;
+ int flushed;
int i;
- /* Default values for sub-interface parameters */
- sdata->drop_unencrypted = 0;
- for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++)
- skb_queue_head_init(&sdata->fragments[i].skb_list);
-
- INIT_LIST_HEAD(&sdata->key_list);
-}
+ ieee80211_debugfs_remove_netdev(sdata);
-static void ieee80211_if_sdata_deinit(struct ieee80211_sub_if_data *sdata)
-{
- int i;
+ /* free extra data */
+ ieee80211_free_keys(sdata);
for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++)
__skb_queue_purge(&sdata->fragments[i].skb_list);
-}
-
-/* Must be called with rtnl lock held. */
-int ieee80211_if_add(struct net_device *dev, const char *name,
- struct net_device **new_dev, int type,
- struct vif_params *params)
-{
- struct net_device *ndev;
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_sub_if_data *sdata = NULL;
- int ret;
-
- ASSERT_RTNL();
- ndev = alloc_netdev(sizeof(*sdata) + local->hw.vif_data_size,
- name, ieee80211_if_setup);
- if (!ndev)
- return -ENOMEM;
+ sdata->fragment_next = 0;
- ndev->needed_headroom = local->tx_headroom +
- 4*6 /* four MAC addresses */
- + 2 + 2 + 2 + 2 /* ctl, dur, seq, qos */
- + 6 /* mesh */
- + 8 /* rfc1042/bridge tunnel */
- - ETH_HLEN /* ethernet hard_header_len */
- + IEEE80211_ENCRYPT_HEADROOM;
- ndev->needed_tailroom = IEEE80211_ENCRYPT_TAILROOM;
-
- ret = dev_alloc_name(ndev, ndev->name);
- if (ret < 0)
- goto fail;
-
- memcpy(ndev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
- ndev->base_addr = dev->base_addr;
- ndev->irq = dev->irq;
- ndev->mem_start = dev->mem_start;
- ndev->mem_end = dev->mem_end;
- SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
-
- sdata = IEEE80211_DEV_TO_SUB_IF(ndev);
- ndev->ieee80211_ptr = &sdata->wdev;
- sdata->wdev.wiphy = local->hw.wiphy;
- sdata->vif.type = IEEE80211_IF_TYPE_AP;
- sdata->dev = ndev;
- sdata->local = local;
- ieee80211_if_sdata_init(sdata);
-
- ret = register_netdevice(ndev);
- if (ret)
- goto fail;
-
- ieee80211_debugfs_add_netdev(sdata);
- ieee80211_if_set_type(ndev, type);
+ switch (sdata->vif.type) {
+ case IEEE80211_IF_TYPE_AP:
+ beacon = sdata->u.ap.beacon;
+ rcu_assign_pointer(sdata->u.ap.beacon, NULL);
+ synchronize_rcu();
+ kfree(beacon);
- if (ieee80211_vif_is_mesh(&sdata->vif) &&
- params && params->mesh_id_len)
- ieee80211_if_sta_set_mesh_id(&sdata->u.sta,
- params->mesh_id_len,
- params->mesh_id);
+ while ((skb = skb_dequeue(&sdata->u.ap.ps_bc_buf))) {
+ local->total_ps_buffered--;
+ dev_kfree_skb(skb);
+ }
- /* we're under RTNL so all this is fine */
- if (unlikely(local->reg_state == IEEE80211_DEV_UNREGISTERED)) {
- __ieee80211_if_del(local, sdata);
- return -ENODEV;
+ break;
+ case IEEE80211_IF_TYPE_MESH_POINT:
+ /* Allow compiler to elide mesh_rmc_free call. */
+ if (ieee80211_vif_is_mesh(&sdata->vif))
+ mesh_rmc_free(dev);
+ /* fall through */
+ case IEEE80211_IF_TYPE_STA:
+ case IEEE80211_IF_TYPE_IBSS:
+ kfree(sdata->u.sta.extra_ie);
+ kfree(sdata->u.sta.assocreq_ies);
+ kfree(sdata->u.sta.assocresp_ies);
+ kfree_skb(sdata->u.sta.probe_resp);
+ break;
+ case IEEE80211_IF_TYPE_WDS:
+ case IEEE80211_IF_TYPE_VLAN:
+ case IEEE80211_IF_TYPE_MNTR:
+ break;
+ case IEEE80211_IF_TYPE_INVALID:
+ BUG();
+ break;
}
- list_add_tail_rcu(&sdata->list, &local->interfaces);
- if (new_dev)
- *new_dev = ndev;
-
- return 0;
-
-fail:
- free_netdev(ndev);
- return ret;
+ flushed = sta_info_flush(local, sdata);
+ WARN_ON(flushed);
}
-void ieee80211_if_set_type(struct net_device *dev, int type)
+/*
+ * Helper function to initialise an interface to a specific type.
+ */
+static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
+ enum ieee80211_if_types type)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- int oldtype = sdata->vif.type;
-
- /*
- * We need to call this function on the master interface
- * which already has a hard_start_xmit routine assigned
- * which must not be changed.
- */
- if (dev != sdata->local->mdev)
- dev->hard_start_xmit = ieee80211_subif_start_xmit;
+ struct ieee80211_if_sta *ifsta;
- /*
- * Called even when register_netdevice fails, it would
- * oops if assigned before initialising the rest.
- */
- dev->uninit = ieee80211_if_reinit;
+ /* clear type-dependent union */
+ memset(&sdata->u, 0, sizeof(sdata->u));
- /* most have no BSS pointer */
- sdata->bss = NULL;
+ /* and set some type-dependent values */
sdata->vif.type = type;
- sdata->basic_rates = 0;
+ /* only monitor differs */
+ sdata->dev->type = ARPHRD_ETHER;
switch (type) {
- case IEEE80211_IF_TYPE_WDS:
- /* nothing special */
- break;
- case IEEE80211_IF_TYPE_VLAN:
- sdata->u.vlan.ap = NULL;
- break;
case IEEE80211_IF_TYPE_AP:
- sdata->u.ap.force_unicast_rateidx = -1;
- sdata->u.ap.max_ratectrl_rateidx = -1;
skb_queue_head_init(&sdata->u.ap.ps_bc_buf);
- sdata->bss = &sdata->u.ap;
INIT_LIST_HEAD(&sdata->u.ap.vlans);
break;
case IEEE80211_IF_TYPE_MESH_POINT:
case IEEE80211_IF_TYPE_STA:
- case IEEE80211_IF_TYPE_IBSS: {
- struct ieee80211_sub_if_data *msdata;
- struct ieee80211_if_sta *ifsta;
-
+ case IEEE80211_IF_TYPE_IBSS:
ifsta = &sdata->u.sta;
INIT_WORK(&ifsta->work, ieee80211_sta_work);
setup_timer(&ifsta->timer, ieee80211_sta_timer,
@@ -171,153 +118,152 @@ void ieee80211_if_set_type(struct net_device *dev, int type)
if (ieee80211_num_regular_queues(&sdata->local->hw) >= 4)
ifsta->flags |= IEEE80211_STA_WMM_ENABLED;
- msdata = IEEE80211_DEV_TO_SUB_IF(sdata->local->mdev);
- sdata->bss = &msdata->u.ap;
-
if (ieee80211_vif_is_mesh(&sdata->vif))
ieee80211_mesh_init_sdata(sdata);
break;
- }
case IEEE80211_IF_TYPE_MNTR:
- dev->type = ARPHRD_IEEE80211_RADIOTAP;
- dev->hard_start_xmit = ieee80211_monitor_start_xmit;
+ sdata->dev->type = ARPHRD_IEEE80211_RADIOTAP;
+ sdata->dev->hard_start_xmit = ieee80211_monitor_start_xmit;
sdata->u.mntr_flags = MONITOR_FLAG_CONTROL |
MONITOR_FLAG_OTHER_BSS;
break;
+ case IEEE80211_IF_TYPE_WDS:
+ case IEEE80211_IF_TYPE_VLAN:
+ break;
case IEEE80211_IF_TYPE_INVALID:
BUG();
break;
}
- ieee80211_debugfs_change_if_type(sdata, oldtype);
+
+ ieee80211_debugfs_add_netdev(sdata);
}
-/* Must be called with rtnl lock held. */
-void ieee80211_if_reinit(struct net_device *dev)
+int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
+ enum ieee80211_if_types type)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct sk_buff *skb;
- int flushed;
+ ASSERT_RTNL();
+
+ if (type == sdata->vif.type)
+ return 0;
+
+ /*
+ * We could, here, on changes between IBSS/STA/MESH modes,
+ * invoke an MLME function instead that disassociates etc.
+ * and goes into the requested mode.
+ */
+
+ if (netif_running(sdata->dev))
+ return -EBUSY;
+
+ /* Purge and reset type-dependent state. */
+ ieee80211_teardown_sdata(sdata->dev);
+ ieee80211_setup_sdata(sdata, type);
+
+ /* reset some values that shouldn't be kept across type changes */
+ sdata->basic_rates = 0;
+ sdata->drop_unencrypted = 0;
+
+ return 0;
+}
+
+int ieee80211_if_add(struct ieee80211_local *local, const char *name,
+ struct net_device **new_dev, enum ieee80211_if_types type,
+ struct vif_params *params)
+{
+ struct net_device *ndev;
+ struct ieee80211_sub_if_data *sdata = NULL;
+ int ret, i;
ASSERT_RTNL();
- ieee80211_free_keys(sdata);
+ ndev = alloc_netdev(sizeof(*sdata) + local->hw.vif_data_size,
+ name, ieee80211_if_setup);
+ if (!ndev)
+ return -ENOMEM;
- ieee80211_if_sdata_deinit(sdata);
+ ndev->needed_headroom = local->tx_headroom +
+ 4*6 /* four MAC addresses */
+ + 2 + 2 + 2 + 2 /* ctl, dur, seq, qos */
+ + 6 /* mesh */
+ + 8 /* rfc1042/bridge tunnel */
+ - ETH_HLEN /* ethernet hard_header_len */
+ + IEEE80211_ENCRYPT_HEADROOM;
+ ndev->needed_tailroom = IEEE80211_ENCRYPT_TAILROOM;
- /* Need to handle mesh specially to allow eliding the function call */
- if (ieee80211_vif_is_mesh(&sdata->vif))
- mesh_rmc_free(dev);
+ ret = dev_alloc_name(ndev, ndev->name);
+ if (ret < 0)
+ goto fail;
- switch (sdata->vif.type) {
- case IEEE80211_IF_TYPE_INVALID:
- /* cannot happen */
- WARN_ON(1);
- break;
- case IEEE80211_IF_TYPE_AP: {
- /* Remove all virtual interfaces that use this BSS
- * as their sdata->bss */
- struct ieee80211_sub_if_data *tsdata, *n;
- struct beacon_data *beacon;
-
- list_for_each_entry_safe(tsdata, n, &local->interfaces, list) {
- if (tsdata != sdata && tsdata->bss == &sdata->u.ap) {
- printk(KERN_DEBUG "%s: removing virtual "
- "interface %s because its BSS interface"
- " is being removed\n",
- sdata->dev->name, tsdata->dev->name);
- list_del_rcu(&tsdata->list);
- /*
- * We have lots of time and can afford
- * to sync for each interface
- */
- synchronize_rcu();
- __ieee80211_if_del(local, tsdata);
- }
- }
+ memcpy(ndev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
+ SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
- beacon = sdata->u.ap.beacon;
- rcu_assign_pointer(sdata->u.ap.beacon, NULL);
- synchronize_rcu();
- kfree(beacon);
+ /* don't use IEEE80211_DEV_TO_SUB_IF because it checks too much */
+ sdata = netdev_priv(ndev);
+ ndev->ieee80211_ptr = &sdata->wdev;
- while ((skb = skb_dequeue(&sdata->u.ap.ps_bc_buf))) {
- local->total_ps_buffered--;
- dev_kfree_skb(skb);
- }
+ /* initialise type-independent data */
+ sdata->wdev.wiphy = local->hw.wiphy;
+ sdata->local = local;
+ sdata->dev = ndev;
- break;
- }
- case IEEE80211_IF_TYPE_WDS:
- /* nothing to do */
- break;
- case IEEE80211_IF_TYPE_MESH_POINT:
- case IEEE80211_IF_TYPE_STA:
- case IEEE80211_IF_TYPE_IBSS:
- kfree(sdata->u.sta.extra_ie);
- sdata->u.sta.extra_ie = NULL;
- kfree(sdata->u.sta.assocreq_ies);
- sdata->u.sta.assocreq_ies = NULL;
- kfree(sdata->u.sta.assocresp_ies);
- sdata->u.sta.assocresp_ies = NULL;
- if (sdata->u.sta.probe_resp) {
- dev_kfree_skb(sdata->u.sta.probe_resp);
- sdata->u.sta.probe_resp = NULL;
- }
+ for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++)
+ skb_queue_head_init(&sdata->fragments[i].skb_list);
- break;
- case IEEE80211_IF_TYPE_MNTR:
- dev->type = ARPHRD_ETHER;
- break;
- case IEEE80211_IF_TYPE_VLAN:
- sdata->u.vlan.ap = NULL;
- break;
- }
+ INIT_LIST_HEAD(&sdata->key_list);
- flushed = sta_info_flush(local, sdata);
- WARN_ON(flushed);
+ sdata->force_unicast_rateidx = -1;
+ sdata->max_ratectrl_rateidx = -1;
- memset(&sdata->u, 0, sizeof(sdata->u));
- ieee80211_if_sdata_init(sdata);
-}
+ /* setup type-dependent data */
+ ieee80211_setup_sdata(sdata, type);
-/* Must be called with rtnl lock held. */
-void __ieee80211_if_del(struct ieee80211_local *local,
- struct ieee80211_sub_if_data *sdata)
-{
- struct net_device *dev = sdata->dev;
+ ret = register_netdevice(ndev);
+ if (ret)
+ goto fail;
- ieee80211_debugfs_remove_netdev(sdata);
- unregister_netdevice(dev);
- /* Except master interface, the net_device will be freed by
- * net_device->destructor (i. e. ieee80211_if_free). */
+ ndev->uninit = ieee80211_teardown_sdata;
+
+ if (ieee80211_vif_is_mesh(&sdata->vif) &&
+ params && params->mesh_id_len)
+ ieee80211_if_sta_set_mesh_id(&sdata->u.sta,
+ params->mesh_id_len,
+ params->mesh_id);
+
+ list_add_tail_rcu(&sdata->list, &local->interfaces);
+
+ if (new_dev)
+ *new_dev = ndev;
+
+ return 0;
+
+ fail:
+ free_netdev(ndev);
+ return ret;
}
-/* Must be called with rtnl lock held. */
-int ieee80211_if_remove(struct net_device *dev, const char *name, int id)
+void ieee80211_if_remove(struct net_device *dev)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_sub_if_data *sdata, *n;
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
ASSERT_RTNL();
- list_for_each_entry_safe(sdata, n, &local->interfaces, list) {
- if ((sdata->vif.type == id || id == -1) &&
- strcmp(name, sdata->dev->name) == 0 &&
- sdata->dev != local->mdev) {
- list_del_rcu(&sdata->list);
- synchronize_rcu();
- __ieee80211_if_del(local, sdata);
- return 0;
- }
- }
- return -ENODEV;
+ list_del_rcu(&sdata->list);
+ synchronize_rcu();
+ unregister_netdevice(dev);
}
-void ieee80211_if_free(struct net_device *dev)
+/*
+ * Remove all interfaces, may only be called at hardware unregistration
+ * time because it doesn't do RCU-safe list removals.
+ */
+void ieee80211_remove_interfaces(struct ieee80211_local *local)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_sub_if_data *sdata, *tmp;
- ieee80211_if_sdata_deinit(sdata);
- free_netdev(dev);
+ ASSERT_RTNL();
+
+ list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
+ list_del(&sdata->list);
+ unregister_netdevice(sdata->dev);
+ }
}
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 1c4d3ba6b87..36859e79492 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -105,7 +105,7 @@ static int ieee80211_master_open(struct net_device *dev)
/* we hold the RTNL here so can safely walk the list */
list_for_each_entry(sdata, &local->interfaces, list) {
- if (sdata->dev != dev && netif_running(sdata->dev)) {
+ if (netif_running(sdata->dev)) {
res = 0;
break;
}
@@ -126,7 +126,7 @@ static int ieee80211_master_stop(struct net_device *dev)
/* we hold the RTNL here so can safely walk the list */
list_for_each_entry(sdata, &local->interfaces, list)
- if (sdata->dev != dev && netif_running(sdata->dev))
+ if (netif_running(sdata->dev))
dev_close(sdata->dev);
return 0;
@@ -194,7 +194,7 @@ static int ieee80211_open(struct net_device *dev)
list_for_each_entry(nsdata, &local->interfaces, list) {
struct net_device *ndev = nsdata->dev;
- if (ndev != dev && ndev != local->mdev && netif_running(ndev)) {
+ if (ndev != dev && netif_running(ndev)) {
/*
* Allow only a single IBSS interface to be up at any
* time. This is restricted because beacon distribution
@@ -210,30 +210,6 @@ static int ieee80211_open(struct net_device *dev)
return -EBUSY;
/*
- * Disallow multiple IBSS/STA mode interfaces.
- *
- * This is a technical restriction, it is possible although
- * most likely not IEEE 802.11 compliant to have multiple
- * STAs with just a single hardware (the TSF timer will not
- * be adjusted properly.)
- *
- * However, because mac80211 uses the master device's BSS
- * information for each STA/IBSS interface, doing this will
- * currently corrupt that BSS information completely, unless,
- * a not very useful case, both STAs are associated to the
- * same BSS.
- *
- * To remove this restriction, the BSS information needs to
- * be embedded in the STA/IBSS mode sdata instead of using
- * the master device's BSS structure.
- */
- if ((sdata->vif.type == IEEE80211_IF_TYPE_STA ||
- sdata->vif.type == IEEE80211_IF_TYPE_IBSS) &&
- (nsdata->vif.type == IEEE80211_IF_TYPE_STA ||
- nsdata->vif.type == IEEE80211_IF_TYPE_IBSS))
- return -EBUSY;
-
- /*
* The remaining checks are only performed for interfaces
* with the same MAC address.
*/
@@ -252,7 +228,7 @@ static int ieee80211_open(struct net_device *dev)
*/
if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN &&
nsdata->vif.type == IEEE80211_IF_TYPE_AP)
- sdata->u.vlan.ap = nsdata;
+ sdata->bss = &nsdata->u.ap;
}
}
@@ -262,10 +238,13 @@ static int ieee80211_open(struct net_device *dev)
return -ENOLINK;
break;
case IEEE80211_IF_TYPE_VLAN:
- if (!sdata->u.vlan.ap)
+ if (!sdata->bss)
return -ENOLINK;
+ list_add(&sdata->u.vlan.list, &sdata->bss->vlans);
break;
case IEEE80211_IF_TYPE_AP:
+ sdata->bss = &sdata->u.ap;
+ break;
case IEEE80211_IF_TYPE_STA:
case IEEE80211_IF_TYPE_MNTR:
case IEEE80211_IF_TYPE_IBSS:
@@ -283,14 +262,13 @@ static int ieee80211_open(struct net_device *dev)
if (local->ops->start)
res = local->ops->start(local_to_hw(local));
if (res)
- return res;
+ goto err_del_bss;
need_hw_reconfig = 1;
ieee80211_led_radio(local, local->hw.conf.radio_enabled);
}
switch (sdata->vif.type) {
case IEEE80211_IF_TYPE_VLAN:
- list_add(&sdata->u.vlan.list, &sdata->u.vlan.ap->u.ap.vlans);
/* no need to tell driver */
break;
case IEEE80211_IF_TYPE_MNTR:
@@ -329,7 +307,8 @@ static int ieee80211_open(struct net_device *dev)
if (res)
goto err_stop;
- ieee80211_if_config(dev);
+ if (ieee80211_vif_is_mesh(&sdata->vif))
+ ieee80211_start_mesh(sdata->dev);
changed |= ieee80211_reset_erp_info(dev);
ieee80211_bss_info_change_notify(sdata, changed);
ieee80211_enable_keys(sdata);
@@ -404,6 +383,10 @@ static int ieee80211_open(struct net_device *dev)
err_stop:
if (!local->open_count && local->ops->stop)
local->ops->stop(local_to_hw(local));
+ err_del_bss:
+ sdata->bss = NULL;
+ if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
+ list_del(&sdata->u.vlan.list);
return res;
}
@@ -486,7 +469,6 @@ static int ieee80211_stop(struct net_device *dev)
switch (sdata->vif.type) {
case IEEE80211_IF_TYPE_VLAN:
list_del(&sdata->u.vlan.list);
- sdata->u.vlan.ap = NULL;
/* no need to tell driver */
break;
case IEEE80211_IF_TYPE_MNTR:
@@ -549,6 +531,8 @@ static int ieee80211_stop(struct net_device *dev)
local->ops->remove_interface(local_to_hw(local), &conf);
}
+ sdata->bss = NULL;
+
if (local->open_count == 0) {
if (netif_running(local->mdev))
dev_close(local->mdev);
@@ -988,7 +972,6 @@ static const struct header_ops ieee80211_header_ops = {
.cache_update = eth_header_cache_update,
};
-/* Must not be called for mdev */
void ieee80211_if_setup(struct net_device *dev)
{
ether_setup(dev);
@@ -998,62 +981,52 @@ void ieee80211_if_setup(struct net_device *dev)
dev->change_mtu = ieee80211_change_mtu;
dev->open = ieee80211_open;
dev->stop = ieee80211_stop;
- dev->destructor = ieee80211_if_free;
+ dev->destructor = free_netdev;
}
/* everything else */
-static int __ieee80211_if_config(struct net_device *dev,
- struct sk_buff *beacon)
+int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_local *local = sdata->local;
struct ieee80211_if_conf conf;
- if (!local->ops->config_interface || !netif_running(dev))
+ if (WARN_ON(!netif_running(sdata->dev)))
+ return 0;
+
+ if (!local->ops->config_interface)
return 0;
memset(&conf, 0, sizeof(conf));
- conf.type = sdata->vif.type;
+ conf.changed = changed;
+
if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
conf.bssid = sdata->u.sta.bssid;
conf.ssid = sdata->u.sta.ssid;
conf.ssid_len = sdata->u.sta.ssid_len;
- } else if (ieee80211_vif_is_mesh(&sdata->vif)) {
- conf.beacon = beacon;
- ieee80211_start_mesh(dev);
} else if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
+ conf.bssid = sdata->dev->dev_addr;
conf.ssid = sdata->u.ap.ssid;
conf.ssid_len = sdata->u.ap.ssid_len;
- conf.beacon = beacon;
+ } else if (ieee80211_vif_is_mesh(&sdata->vif)) {
+ u8 zero[ETH_ALEN] = { 0 };
+ conf.bssid = zero;
+ conf.ssid = zero;
+ conf.ssid_len = 0;
+ } else {
+ WARN_ON(1);
+ return -EINVAL;
}
- return local->ops->config_interface(local_to_hw(local),
- &sdata->vif, &conf);
-}
-int ieee80211_if_config(struct net_device *dev)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT &&
- (local->hw.flags & IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE))
- return ieee80211_if_config_beacon(dev);
- return __ieee80211_if_config(dev, NULL);
-}
+ if (WARN_ON(!conf.bssid && (changed & IEEE80211_IFCC_BSSID)))
+ return -EINVAL;
-int ieee80211_if_config_beacon(struct net_device *dev)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct sk_buff *skb;
+ if (WARN_ON(!conf.ssid && (changed & IEEE80211_IFCC_SSID)))
+ return -EINVAL;
- if (!(local->hw.flags & IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE))
- return 0;
- skb = ieee80211_beacon_get(local_to_hw(local), &sdata->vif);
- if (!skb)
- return -ENOMEM;
- return __ieee80211_if_config(dev, skb);
+ return local->ops->config_interface(local_to_hw(local),
+ &sdata->vif, &conf);
}
int ieee80211_hw_config(struct ieee80211_local *local)
@@ -1659,7 +1632,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
int result;
enum ieee80211_band band;
struct net_device *mdev;
- struct ieee80211_sub_if_data *sdata;
+ struct wireless_dev *mwdev;
/*
* generic code guarantees at least one band,
@@ -1699,8 +1672,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
hw->ampdu_queues = 0;
#endif
- /* for now, mdev needs sub_if_data :/ */
- mdev = alloc_netdev_mq(sizeof(struct ieee80211_sub_if_data),
+ mdev = alloc_netdev_mq(sizeof(struct wireless_dev),
"wmaster%d", ether_setup,
ieee80211_num_queues(hw));
if (!mdev)
@@ -1709,13 +1681,13 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (ieee80211_num_queues(hw) > 1)
mdev->features |= NETIF_F_MULTI_QUEUE;
- sdata = IEEE80211_DEV_TO_SUB_IF(mdev);
- mdev->ieee80211_ptr = &sdata->wdev;
- sdata->wdev.wiphy = local->hw.wiphy;
+ mwdev = netdev_priv(mdev);
+ mdev->ieee80211_ptr = mwdev;
+ mwdev->wiphy = local->hw.wiphy;
local->mdev = mdev;
- ieee80211_rx_bss_list_init(mdev);
+ ieee80211_rx_bss_list_init(local);
mdev->hard_start_xmit = ieee80211_master_start_xmit;
mdev->open = ieee80211_master_open;
@@ -1724,16 +1696,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
mdev->header_ops = &ieee80211_header_ops;
mdev->set_multicast_list = ieee80211_master_set_multicast_list;
- sdata->vif.type = IEEE80211_IF_TYPE_AP;
- sdata->dev = mdev;
- sdata->local = local;
- sdata->u.ap.force_unicast_rateidx = -1;
- sdata->u.ap.max_ratectrl_rateidx = -1;
- ieee80211_if_sdata_init(sdata);
-
- /* no RCU needed since we're still during init phase */
- list_add_tail(&sdata->list, &local->interfaces);
-
name = wiphy_dev(local->hw.wiphy)->driver->name;
local->hw.workqueue = create_freezeable_workqueue(name);
if (!local->hw.workqueue) {
@@ -1779,9 +1741,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (result < 0)
goto fail_dev;
- ieee80211_debugfs_add_netdev(IEEE80211_DEV_TO_SUB_IF(local->mdev));
- ieee80211_if_set_type(local->mdev, IEEE80211_IF_TYPE_AP);
-
result = ieee80211_init_rate_ctrl_alg(local,
hw->rate_control_algorithm);
if (result < 0) {
@@ -1801,13 +1760,12 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
ieee80211_install_qdisc(local->mdev);
/* add one default STA interface */
- result = ieee80211_if_add(local->mdev, "wlan%d", NULL,
+ result = ieee80211_if_add(local, "wlan%d", NULL,
IEEE80211_IF_TYPE_STA, NULL);
if (result)
printk(KERN_WARNING "%s: Failed to add default virtual iface\n",
wiphy_name(local->hw.wiphy));
- local->reg_state = IEEE80211_DEV_REGISTERED;
rtnl_unlock();
ieee80211_led_init(local);
@@ -1817,7 +1775,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
fail_wep:
rate_control_deinitialize(local);
fail_rate:
- ieee80211_debugfs_remove_netdev(IEEE80211_DEV_TO_SUB_IF(local->mdev));
unregister_netdevice(local->mdev);
local->mdev = NULL;
fail_dev:
@@ -1827,10 +1784,8 @@ fail_sta_info:
debugfs_hw_del(local);
destroy_workqueue(local->hw.workqueue);
fail_workqueue:
- if (local->mdev != NULL) {
- ieee80211_if_free(local->mdev);
- local->mdev = NULL;
- }
+ if (local->mdev)
+ free_netdev(local->mdev);
fail_mdev_alloc:
wiphy_unregister(local->hw.wiphy);
return result;
@@ -1840,42 +1795,27 @@ EXPORT_SYMBOL(ieee80211_register_hw);
void ieee80211_unregister_hw(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
- struct ieee80211_sub_if_data *sdata, *tmp;
tasklet_kill(&local->tx_pending_tasklet);
tasklet_kill(&local->tasklet);
rtnl_lock();
- BUG_ON(local->reg_state != IEEE80211_DEV_REGISTERED);
-
- local->reg_state = IEEE80211_DEV_UNREGISTERED;
-
/*
* At this point, interface list manipulations are fine
* because the driver cannot be handing us frames any
* more and the tasklet is killed.
*/
- /*
- * First, we remove all non-master interfaces. Do this because they
- * may have bss pointer dependency on the master, and when we free
- * the master these would be freed as well, breaking our list
- * iteration completely.
- */
- list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
- if (sdata->dev == local->mdev)
- continue;
- list_del(&sdata->list);
- __ieee80211_if_del(local, sdata);
- }
+ /* First, we remove all virtual interfaces. */
+ ieee80211_remove_interfaces(local);
/* then, finally, remove the master interface */
- __ieee80211_if_del(local, IEEE80211_DEV_TO_SUB_IF(local->mdev));
+ unregister_netdevice(local->mdev);
rtnl_unlock();
- ieee80211_rx_bss_list_deinit(local->mdev);
+ ieee80211_rx_bss_list_deinit(local);
ieee80211_clear_tx_pending(local);
sta_info_stop(local);
rate_control_deinitialize(local);
@@ -1892,8 +1832,7 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
wiphy_unregister(local->hw.wiphy);
ieee80211_wep_free(local);
ieee80211_led_exit(local);
- ieee80211_if_free(local->mdev);
- local->mdev = NULL;
+ free_netdev(local->mdev);
}
EXPORT_SYMBOL(ieee80211_unregister_hw);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index dbc8cf454bc..8f51375317d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -78,7 +78,7 @@ static void ieee80211_send_probe_req(struct net_device *dev, u8 *dst,
static struct ieee80211_sta_bss *
ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid, int freq,
u8 *ssid, u8 ssid_len);
-static void ieee80211_rx_bss_put(struct net_device *dev,
+static void ieee80211_rx_bss_put(struct ieee80211_local *local,
struct ieee80211_sta_bss *bss);
static int ieee80211_sta_find_ibss(struct net_device *dev,
struct ieee80211_if_sta *ifsta);
@@ -345,7 +345,7 @@ static void ieee80211_sta_wmm_params(struct net_device *dev,
params.aifs = pos[0] & 0x0f;
params.cw_max = ecw2cw((pos[1] & 0xf0) >> 4);
params.cw_min = ecw2cw(pos[1] & 0x0f);
- params.txop = pos[2] | (pos[3] << 8);
+ params.txop = get_unaligned_le16(pos + 2);
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
printk(KERN_DEBUG "%s: WMM queue=%d aci=%d acm=%d aifs=%d "
"cWmin=%d cWmax=%d txop=%d\n",
@@ -554,7 +554,7 @@ static void ieee80211_set_associated(struct net_device *dev,
changed |= ieee80211_handle_bss_capability(sdata, bss);
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
}
if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
@@ -760,7 +760,7 @@ static void ieee80211_send_assoc(struct net_device *dev,
(local->hw.flags & IEEE80211_HW_SPECTRUM_MGMT))
capab |= WLAN_CAPABILITY_SPECTRUM_MGMT;
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
} else {
rates = ~0;
rates_len = sband->n_bitrates;
@@ -992,7 +992,7 @@ static int ieee80211_privacy_mismatch(struct net_device *dev,
wep_privacy = !!ieee80211_sta_wep_configured(dev);
privacy_invoked = !!(ifsta->flags & IEEE80211_STA_PRIVACY_INVOKED);
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
if ((bss_privacy == wep_privacy) || (bss_privacy == privacy_invoked))
return 0;
@@ -2094,7 +2094,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
sta->last_signal = bss->signal;
sta->last_qual = bss->qual;
sta->last_noise = bss->noise;
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
}
err = sta_info_insert(sta);
@@ -2212,10 +2212,9 @@ static void __ieee80211_rx_bss_hash_add(struct net_device *dev,
/* Caller must hold local->sta_bss_lock */
-static void __ieee80211_rx_bss_hash_del(struct net_device *dev,
+static void __ieee80211_rx_bss_hash_del(struct ieee80211_local *local,
struct ieee80211_sta_bss *bss)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_sta_bss *b, *prev = NULL;
b = local->sta_bss_hash[STA_HASH(bss->bssid)];
while (b) {
@@ -2367,39 +2366,35 @@ static void ieee80211_rx_bss_free(struct ieee80211_sta_bss *bss)
}
-static void ieee80211_rx_bss_put(struct net_device *dev,
+static void ieee80211_rx_bss_put(struct ieee80211_local *local,
struct ieee80211_sta_bss *bss)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-
local_bh_disable();
if (!atomic_dec_and_lock(&bss->users, &local->sta_bss_lock)) {
local_bh_enable();
return;
}
- __ieee80211_rx_bss_hash_del(dev, bss);
+ __ieee80211_rx_bss_hash_del(local, bss);
list_del(&bss->list);
spin_unlock_bh(&local->sta_bss_lock);
ieee80211_rx_bss_free(bss);
}
-void ieee80211_rx_bss_list_init(struct net_device *dev)
+void ieee80211_rx_bss_list_init(struct ieee80211_local *local)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
spin_lock_init(&local->sta_bss_lock);
INIT_LIST_HEAD(&local->sta_bss_list);
}
-void ieee80211_rx_bss_list_deinit(struct net_device *dev)
+void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_sta_bss *bss, *tmp;
list_for_each_entry_safe(bss, tmp, &local->sta_bss_list, list)
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
}
@@ -2411,8 +2406,6 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
int res, rates, i, j;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- struct ieee80211_tx_info *control;
- struct rate_selection ratesel;
u8 *pos;
struct ieee80211_sub_if_data *sdata;
struct ieee80211_supported_band *sband;
@@ -2430,7 +2423,7 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
local->ops->reset_tsf(local_to_hw(local));
}
memcpy(ifsta->bssid, bss->bssid, ETH_ALEN);
- res = ieee80211_if_config(dev);
+ res = ieee80211_if_config(sdata, IEEE80211_IFCC_BSSID);
if (res)
return res;
@@ -2444,19 +2437,16 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
if (res)
return res;
- /* Set beacon template */
+ /* Build IBSS probe response */
skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
- do {
- if (!skb)
- break;
-
+ if (skb) {
skb_reserve(skb, local->hw.extra_tx_headroom);
mgmt = (struct ieee80211_mgmt *)
skb_put(skb, 24 + sizeof(mgmt->u.beacon));
memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon));
mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
- IEEE80211_STYPE_BEACON);
+ IEEE80211_STYPE_PROBE_RESP);
memset(mgmt->da, 0xff, ETH_ALEN);
memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
@@ -2500,61 +2490,22 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
memcpy(pos, &bss->supp_rates[8], rates);
}
- control = IEEE80211_SKB_CB(skb);
-
- rate_control_get_rate(dev, sband, skb, &ratesel);
- if (ratesel.rate_idx < 0) {
- printk(KERN_DEBUG "%s: Failed to determine TX rate "
- "for IBSS beacon\n", dev->name);
- break;
- }
- control->control.vif = &sdata->vif;
- control->tx_rate_idx = ratesel.rate_idx;
- if (sdata->bss_conf.use_short_preamble &&
- sband->bitrates[ratesel.rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE)
- control->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE;
- control->antenna_sel_tx = local->hw.conf.antenna_sel_tx;
- control->flags |= IEEE80211_TX_CTL_NO_ACK;
- control->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
- control->control.retry_limit = 1;
-
- ifsta->probe_resp = skb_copy(skb, GFP_ATOMIC);
- if (ifsta->probe_resp) {
- mgmt = (struct ieee80211_mgmt *)
- ifsta->probe_resp->data;
- mgmt->frame_control =
- IEEE80211_FC(IEEE80211_FTYPE_MGMT,
- IEEE80211_STYPE_PROBE_RESP);
- } else {
- printk(KERN_DEBUG "%s: Could not allocate ProbeResp "
- "template for IBSS\n", dev->name);
- }
+ ifsta->probe_resp = skb;
- if (local->ops->beacon_update &&
- local->ops->beacon_update(local_to_hw(local), skb) == 0) {
- printk(KERN_DEBUG "%s: Configured IBSS beacon "
- "template\n", dev->name);
- skb = NULL;
- }
-
- rates = 0;
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- for (i = 0; i < bss->supp_rates_len; i++) {
- int bitrate = (bss->supp_rates[i] & 0x7f) * 5;
- for (j = 0; j < sband->n_bitrates; j++)
- if (sband->bitrates[j].bitrate == bitrate)
- rates |= BIT(j);
- }
- ifsta->supp_rates_bits[local->hw.conf.channel->band] = rates;
-
- ieee80211_sta_def_wmm_params(dev, bss, 1);
- } while (0);
+ ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
+ }
- if (skb) {
- printk(KERN_DEBUG "%s: Failed to configure IBSS beacon "
- "template\n", dev->name);
- dev_kfree_skb(skb);
+ rates = 0;
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ for (i = 0; i < bss->supp_rates_len; i++) {
+ int bitrate = (bss->supp_rates[i] & 0x7f) * 5;
+ for (j = 0; j < sband->n_bitrates; j++)
+ if (sband->bitrates[j].bitrate == bitrate)
+ rates |= BIT(j);
}
+ ifsta->supp_rates_bits[local->hw.conf.channel->band] = rates;
+
+ ieee80211_sta_def_wmm_params(dev, bss, 1);
ifsta->state = IEEE80211_IBSS_JOINED;
mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
@@ -2775,7 +2726,7 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
*/
if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
bss->probe_resp && beacon) {
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
return;
}
@@ -2918,7 +2869,7 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
}
}
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
}
@@ -3338,7 +3289,7 @@ static void ieee80211_mesh_housekeeping(struct net_device *dev,
free_plinks = mesh_plink_availables(sdata);
if (free_plinks != sdata->u.sta.accepting_plinks)
- ieee80211_if_config_beacon(dev);
+ ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
mod_timer(&ifsta->timer, jiffies +
IEEE80211_MESH_HOUSEKEEPING_INTERVAL);
@@ -3578,7 +3529,7 @@ static int ieee80211_sta_config_auth(struct net_device *dev,
selected->ssid_len);
ieee80211_sta_set_bssid(dev, selected->bssid);
ieee80211_sta_def_wmm_params(dev, selected, 0);
- ieee80211_rx_bss_put(dev, selected);
+ ieee80211_rx_bss_put(local, selected);
ifsta->state = IEEE80211_AUTHENTICATE;
ieee80211_sta_reset_auth(dev, ifsta);
return 0;
@@ -3655,7 +3606,7 @@ static int ieee80211_sta_create_ibss(struct net_device *dev,
}
ret = ieee80211_sta_join_ibss(dev, ifsta, bss);
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
return ret;
}
@@ -3711,7 +3662,7 @@ static int ieee80211_sta_find_ibss(struct net_device *dev,
" based on configured SSID\n",
dev->name, print_mac(mac, bssid));
ret = ieee80211_sta_join_ibss(dev, ifsta, bss);
- ieee80211_rx_bss_put(dev, bss);
+ ieee80211_rx_bss_put(local, bss);
return ret;
}
#ifdef CONFIG_MAC80211_IBSS_DEBUG
@@ -3762,28 +3713,45 @@ int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_if_sta *ifsta;
+ int res;
if (len > IEEE80211_MAX_SSID_LEN)
return -EINVAL;
ifsta = &sdata->u.sta;
- if (ifsta->ssid_len != len || memcmp(ifsta->ssid, ssid, len) != 0)
+ if (ifsta->ssid_len != len || memcmp(ifsta->ssid, ssid, len) != 0) {
+ memset(ifsta->ssid, 0, sizeof(ifsta->ssid));
+ memcpy(ifsta->ssid, ssid, len);
+ ifsta->ssid_len = len;
ifsta->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
- memcpy(ifsta->ssid, ssid, len);
- memset(ifsta->ssid + len, 0, IEEE80211_MAX_SSID_LEN - len);
- ifsta->ssid_len = len;
+
+ res = 0;
+ /*
+ * Hack! MLME code needs to be cleaned up to have different
+ * entry points for configuration and internal selection change
+ */
+ if (netif_running(sdata->dev))
+ res = ieee80211_if_config(sdata, IEEE80211_IFCC_SSID);
+ if (res) {
+ printk(KERN_DEBUG "%s: Failed to config new SSID to "
+ "the low-level driver\n", dev->name);
+ return res;
+ }
+ }
if (len)
ifsta->flags |= IEEE80211_STA_SSID_SET;
else
ifsta->flags &= ~IEEE80211_STA_SSID_SET;
+
if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
!(ifsta->flags & IEEE80211_STA_BSSID_SET)) {
ifsta->ibss_join_req = jiffies;
ifsta->state = IEEE80211_IBSS_SEARCH;
return ieee80211_sta_find_ibss(dev, ifsta);
}
+
return 0;
}
@@ -3809,7 +3777,12 @@ int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid)
if (memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0) {
memcpy(ifsta->bssid, bssid, ETH_ALEN);
- res = ieee80211_if_config(dev);
+ res = 0;
+ /*
+ * Hack! See also ieee80211_sta_set_ssid.
+ */
+ if (netif_running(sdata->dev))
+ res = ieee80211_if_config(sdata, IEEE80211_IFCC_BSSID);
if (res) {
printk(KERN_DEBUG "%s: Failed to config new BSSID to "
"the low-level driver\n", dev->name);
@@ -3907,11 +3880,6 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw)
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-
- /* No need to wake the master device. */
- if (sdata->dev == local->mdev)
- continue;
-
/* Tell AP we're back */
if (sdata->vif.type == IEEE80211_IF_TYPE_STA &&
sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED)
@@ -4077,12 +4045,6 @@ static int ieee80211_sta_start_scan(struct net_device *dev,
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-
- /* Don't stop the master interface, otherwise we can't transmit
- * probes! */
- if (sdata->dev == local->mdev)
- continue;
-
netif_stop_queue(sdata->dev);
if (sdata->vif.type == IEEE80211_IF_TYPE_STA &&
(sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED))
@@ -4398,7 +4360,7 @@ struct sta_info *ieee80211_ibss_add_sta(struct net_device *dev,
return NULL;
}
- if (!ieee80211_bssid_match(bssid, sdata->u.sta.bssid))
+ if (compare_ether_addr(bssid, sdata->u.sta.bssid))
return NULL;
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
@@ -4473,12 +4435,10 @@ void ieee80211_notify_mac(struct ieee80211_hw *hw,
case IEEE80211_NOTIFY_RE_ASSOC:
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
+ continue;
- if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
- ieee80211_sta_req_auth(sdata->dev,
- &sdata->u.sta);
- }
-
+ ieee80211_sta_req_auth(sdata->dev, &sdata->u.sta);
}
rcu_read_unlock();
break;
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index 742c5b06cff..a914ba73ccf 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -259,8 +259,8 @@ static void rate_control_pid_tx_status(void *priv, struct net_device *dev,
/* Don't update the state if we're not controlling the rate. */
sdata = sta->sdata;
- if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) {
- sta->txrate_idx = sdata->bss->max_ratectrl_rateidx;
+ if (sdata->force_unicast_rateidx > -1) {
+ sta->txrate_idx = sdata->max_ratectrl_rateidx;
goto unlock;
}
@@ -337,8 +337,8 @@ static void rate_control_pid_get_rate(void *priv, struct net_device *dev,
/* If a forced rate is in effect, select it. */
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->bss && sdata->bss->force_unicast_rateidx > -1)
- sta->txrate_idx = sdata->bss->force_unicast_rateidx;
+ if (sdata->force_unicast_rateidx > -1)
+ sta->txrate_idx = sdata->force_unicast_rateidx;
rateidx = sta->txrate_idx;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index fab443d717e..6d9ae67c27c 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -334,13 +334,18 @@ static void ieee80211_parse_qos(struct ieee80211_rx_data *rx)
else
rx->flags &= ~IEEE80211_RX_AMSDU;
} else {
- if (unlikely(ieee80211_is_mgmt(hdr->frame_control))) {
- /* Separate TID for management frames */
- tid = NUM_RX_DATA_QUEUES - 1;
- } else {
- /* no qos control present */
- tid = 0; /* 802.1d - Best Effort */
- }
+ /*
+ * IEEE 802.11-2007, 7.1.3.4.1 ("Sequence Number field"):
+ *
+ * Sequence numbers for management frames, QoS data
+ * frames with a broadcast/multicast address in the
+ * Address 1 field, and all non-QoS data frames sent
+ * by QoS STAs are assigned using an additional single
+ * modulo-4096 counter, [...]
+ *
+ * We also use that counter for non-QoS STAs.
+ */
+ tid = NUM_RX_DATA_QUEUES - 1;
}
rx->queue = tid;
@@ -647,8 +652,7 @@ static void ap_sta_ps_start(struct net_device *dev, struct sta_info *sta)
sdata = sta->sdata;
- if (sdata->bss)
- atomic_inc(&sdata->bss->num_sta_ps);
+ atomic_inc(&sdata->bss->num_sta_ps);
set_and_clear_sta_flags(sta, WLAN_STA_PS, WLAN_STA_PSPOLL);
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
printk(KERN_DEBUG "%s: STA %s aid %d enters power save mode\n",
@@ -667,8 +671,7 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta)
sdata = sta->sdata;
- if (sdata->bss)
- atomic_dec(&sdata->bss->num_sta_ps);
+ atomic_dec(&sdata->bss->num_sta_ps);
clear_sta_flags(sta, WLAN_STA_PS | WLAN_STA_PSPOLL);
@@ -742,7 +745,9 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
sta->last_qual = rx->status->qual;
sta->last_noise = rx->status->noise;
- if (!ieee80211_has_morefrags(hdr->frame_control)) {
+ if (!ieee80211_has_morefrags(hdr->frame_control) &&
+ (rx->sdata->vif.type == IEEE80211_IF_TYPE_AP ||
+ rx->sdata->vif.type == IEEE80211_IF_TYPE_VLAN)) {
/* Change STA power saving mode only in the end of a frame
* exchange sequence */
if (test_sta_flags(sta, WLAN_STA_PS) &&
@@ -1772,11 +1777,6 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
return 0;
rx->flags &= ~IEEE80211_RX_RA_MATCH;
}
- if (sdata->dev == sdata->local->mdev &&
- !(rx->flags & IEEE80211_RX_IN_SCAN))
- /* do not receive anything via
- * master device when not scanning */
- return 0;
break;
case IEEE80211_IF_TYPE_WDS:
if (bssid || !ieee80211_is_data(hdr->frame_control))
@@ -2046,8 +2046,8 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
tid_agg_rx = sta->ampdu_mlme.tid_rx[tid];
- /* null data frames are excluded */
- if (unlikely(ieee80211_is_nullfunc(hdr->frame_control)))
+ /* qos null data frames are excluded */
+ if (unlikely(hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_NULLFUNC)))
goto end_reorder;
/* new un-ordered ampdu frame - process it */
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 47d2c1bbfca..f2ba653b9d6 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -320,7 +320,9 @@ int sta_info_insert(struct sta_info *sta)
/* notify driver */
if (local->ops->sta_notify) {
if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
- sdata = sdata->u.vlan.ap;
+ sdata = container_of(sdata->bss,
+ struct ieee80211_sub_if_data,
+ u.ap);
local->ops->sta_notify(local_to_hw(local), &sdata->vif,
STA_NOTIFY_ADD, sta->addr);
@@ -375,8 +377,10 @@ static inline void __bss_tim_clear(struct ieee80211_if_ap *bss, u16 aid)
static void __sta_info_set_tim_bit(struct ieee80211_if_ap *bss,
struct sta_info *sta)
{
- if (bss)
- __bss_tim_set(bss, sta->aid);
+ BUG_ON(!bss);
+
+ __bss_tim_set(bss, sta->aid);
+
if (sta->local->ops->set_tim) {
sta->local->tim_in_locked_section = true;
sta->local->ops->set_tim(local_to_hw(sta->local), sta->aid, 1);
@@ -388,6 +392,8 @@ void sta_info_set_tim_bit(struct sta_info *sta)
{
unsigned long flags;
+ BUG_ON(!sta->sdata->bss);
+
spin_lock_irqsave(&sta->local->sta_lock, flags);
__sta_info_set_tim_bit(sta->sdata->bss, sta);
spin_unlock_irqrestore(&sta->local->sta_lock, flags);
@@ -396,8 +402,10 @@ void sta_info_set_tim_bit(struct sta_info *sta)
static void __sta_info_clear_tim_bit(struct ieee80211_if_ap *bss,
struct sta_info *sta)
{
- if (bss)
- __bss_tim_clear(bss, sta->aid);
+ BUG_ON(!bss);
+
+ __bss_tim_clear(bss, sta->aid);
+
if (sta->local->ops->set_tim) {
sta->local->tim_in_locked_section = true;
sta->local->ops->set_tim(local_to_hw(sta->local), sta->aid, 0);
@@ -409,6 +417,8 @@ void sta_info_clear_tim_bit(struct sta_info *sta)
{
unsigned long flags;
+ BUG_ON(!sta->sdata->bss);
+
spin_lock_irqsave(&sta->local->sta_lock, flags);
__sta_info_clear_tim_bit(sta->sdata->bss, sta);
spin_unlock_irqrestore(&sta->local->sta_lock, flags);
@@ -437,8 +447,9 @@ void __sta_info_unlink(struct sta_info **sta)
list_del(&(*sta)->list);
if (test_and_clear_sta_flags(*sta, WLAN_STA_PS)) {
- if (sdata->bss)
- atomic_dec(&sdata->bss->num_sta_ps);
+ BUG_ON(!sdata->bss);
+
+ atomic_dec(&sdata->bss->num_sta_ps);
__sta_info_clear_tim_bit(sdata->bss, *sta);
}
@@ -446,7 +457,9 @@ void __sta_info_unlink(struct sta_info **sta)
if (local->ops->sta_notify) {
if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
- sdata = sdata->u.vlan.ap;
+ sdata = container_of(sdata->bss,
+ struct ieee80211_sub_if_data,
+ u.ap);
local->ops->sta_notify(local_to_hw(local), &sdata->vif,
STA_NOTIFY_REMOVE, (*sta)->addr);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 94311dcfe04..109db787ccb 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -285,6 +285,7 @@ struct sta_info {
unsigned long tx_fragments;
int txrate_idx;
int last_txrate_idx;
+ u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1];
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES];
#endif
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 9bd9faac3c3..0fbadd8b983 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -38,16 +38,6 @@
/* misc utils */
-static inline void ieee80211_include_sequence(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_hdr *hdr)
-{
- /* Set the sequence number for this frame. */
- hdr->seq_ctrl = cpu_to_le16(sdata->sequence);
-
- /* Increase the sequence number. */
- sdata->sequence = (sdata->sequence + 0x10) & IEEE80211_SCTL_SEQ;
-}
-
#ifdef CONFIG_MAC80211_LOWTX_FRAME_DUMP
static void ieee80211_dump_frame(const char *ifname, const char *title,
const struct sk_buff *skb)
@@ -274,17 +264,6 @@ ieee80211_tx_h_check_assoc(struct ieee80211_tx_data *tx)
return TX_CONTINUE;
}
-static ieee80211_tx_result debug_noinline
-ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
-
- if (ieee80211_hdrlen(hdr->frame_control) >= 24)
- ieee80211_include_sequence(tx->sdata, hdr);
-
- return TX_CONTINUE;
-}
-
/* This function is called whenever the AP is about to exceed the maximum limit
* of buffered frames for power saving STAs. This situation should not really
* happen often during normal operation, so dropping the oldest buffered packet
@@ -303,8 +282,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local)
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
struct ieee80211_if_ap *ap;
- if (sdata->dev == local->mdev ||
- sdata->vif.type != IEEE80211_IF_TYPE_AP)
+ if (sdata->vif.type != IEEE80211_IF_TYPE_AP)
continue;
ap = &sdata->u.ap;
skb = skb_dequeue(&ap->ps_bc_buf);
@@ -346,8 +324,12 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx)
* This is done either by the hardware or us.
*/
- /* not AP/IBSS or ordered frame */
- if (!tx->sdata->bss || (tx->fc & IEEE80211_FCTL_ORDER))
+ /* powersaving STAs only in AP/VLAN mode */
+ if (!tx->sdata->bss)
+ return TX_CONTINUE;
+
+ /* no buffering for ordered frames */
+ if (tx->fc & IEEE80211_FCTL_ORDER)
return TX_CONTINUE;
/* no stations in PS mode */
@@ -639,6 +621,49 @@ ieee80211_tx_h_misc(struct ieee80211_tx_data *tx)
}
static ieee80211_tx_result debug_noinline
+ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
+ u16 *seq;
+ u8 *qc;
+ int tid;
+
+ /* only for injected frames */
+ if (unlikely(ieee80211_is_ctl(hdr->frame_control)))
+ return TX_CONTINUE;
+
+ if (ieee80211_hdrlen(hdr->frame_control) < 24)
+ return TX_CONTINUE;
+
+ if (!ieee80211_is_data_qos(hdr->frame_control)) {
+ info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ;
+ return TX_CONTINUE;
+ }
+
+ /*
+ * This should be true for injected/management frames only, for
+ * management frames we have set the IEEE80211_TX_CTL_ASSIGN_SEQ
+ * above since they are not QoS-data frames.
+ */
+ if (!tx->sta)
+ return TX_CONTINUE;
+
+ /* include per-STA, per-TID sequence counter */
+
+ qc = ieee80211_get_qos_ctl(hdr);
+ tid = *qc & IEEE80211_QOS_CTL_TID_MASK;
+ seq = &tx->sta->tid_seq[tid];
+
+ hdr->seq_ctrl = cpu_to_le16(*seq);
+
+ /* Increase the sequence number. */
+ *seq = (*seq + 0x10) & IEEE80211_SCTL_SEQ;
+
+ return TX_CONTINUE;
+}
+
+static ieee80211_tx_result debug_noinline
ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
@@ -1107,12 +1132,12 @@ static int invoke_tx_handlers(struct ieee80211_tx_data *tx)
goto txh_done;
CALL_TXH(ieee80211_tx_h_check_assoc)
- CALL_TXH(ieee80211_tx_h_sequence)
CALL_TXH(ieee80211_tx_h_ps_buf)
CALL_TXH(ieee80211_tx_h_select_key)
CALL_TXH(ieee80211_tx_h_michael_mic_add)
CALL_TXH(ieee80211_tx_h_rate_ctrl)
CALL_TXH(ieee80211_tx_h_misc)
+ CALL_TXH(ieee80211_tx_h_sequence)
CALL_TXH(ieee80211_tx_h_fragment)
/* handlers after fragment must be aware of tx info fragmentation! */
CALL_TXH(ieee80211_tx_h_encrypt)
@@ -1785,17 +1810,17 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct ieee80211_local *local = hw_to_local(hw);
- struct sk_buff *skb;
+ struct sk_buff *skb = NULL;
struct ieee80211_tx_info *info;
struct net_device *bdev;
struct ieee80211_sub_if_data *sdata = NULL;
struct ieee80211_if_ap *ap = NULL;
+ struct ieee80211_if_sta *ifsta = NULL;
struct rate_selection rsel;
struct beacon_data *beacon;
struct ieee80211_supported_band *sband;
struct ieee80211_mgmt *mgmt;
int *num_beacons;
- bool err = true;
enum ieee80211_band band = local->hw.conf.channel->band;
u8 *pos;
@@ -1824,9 +1849,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
memcpy(skb_put(skb, beacon->head_len), beacon->head,
beacon->head_len);
- ieee80211_include_sequence(sdata,
- (struct ieee80211_hdr *)skb->data);
-
/*
* Not very nice, but we want to allow the driver to call
* ieee80211_beacon_get() as a response to the set_tim()
@@ -1849,9 +1871,24 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
beacon->tail, beacon->tail_len);
num_beacons = &ap->num_beacons;
+ } else
+ goto out;
+ } else if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
+ struct ieee80211_hdr *hdr;
+ ifsta = &sdata->u.sta;
- err = false;
- }
+ if (!ifsta->probe_resp)
+ goto out;
+
+ skb = skb_copy(ifsta->probe_resp, GFP_ATOMIC);
+ if (!skb)
+ goto out;
+
+ hdr = (struct ieee80211_hdr *) skb->data;
+ hdr->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
+ IEEE80211_STYPE_BEACON);
+
+ num_beacons = &ifsta->num_beacons;
} else if (ieee80211_vif_is_mesh(&sdata->vif)) {
/* headroom, head length, tail length and maximum TIM length */
skb = dev_alloc_skb(local->tx_headroom + 400);
@@ -1878,17 +1915,8 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
mesh_mgmt_ies_add(skb, sdata->dev);
num_beacons = &sdata->u.sta.num_beacons;
-
- err = false;
- }
-
- if (err) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- if (net_ratelimit())
- printk(KERN_DEBUG "no beacon data avail for %s\n",
- bdev->name);
-#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
- skb = NULL;
+ } else {
+ WARN_ON(1);
goto out;
}
@@ -1910,14 +1938,18 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
info->control.vif = vif;
info->tx_rate_idx = rsel.rate_idx;
+
+ info->flags |= IEEE80211_TX_CTL_NO_ACK;
+ info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
+ info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
+ info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ;
if (sdata->bss_conf.use_short_preamble &&
sband->bitrates[rsel.rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE)
info->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE;
+
info->antenna_sel_tx = local->hw.conf.antenna_sel_tx;
- info->flags |= IEEE80211_TX_CTL_NO_ACK;
- info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT;
info->control.retry_limit = 1;
- info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
+
(*num_beacons)++;
out:
rcu_read_unlock();
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index ce62b163b82..89ce4e07bd8 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -428,8 +428,6 @@ void ieee80211_iterate_active_interfaces(
case IEEE80211_IF_TYPE_MESH_POINT:
break;
}
- if (sdata->dev == local->mdev)
- continue;
if (netif_running(sdata->dev))
iterator(data, sdata->dev->dev_addr,
&sdata->vif);
@@ -463,8 +461,6 @@ void ieee80211_iterate_active_interfaces_atomic(
case IEEE80211_IF_TYPE_MESH_POINT:
break;
}
- if (sdata->dev == local->mdev)
- continue;
if (netif_running(sdata->dev))
iterator(data, sdata->dev->dev_addr,
&sdata->vif);
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 736c32e340f..34fa8ed1e78 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -296,15 +296,7 @@ static int ieee80211_ioctl_siwmode(struct net_device *dev,
return -EINVAL;
}
- if (type == sdata->vif.type)
- return 0;
- if (netif_running(dev))
- return -EBUSY;
-
- ieee80211_if_reinit(dev);
- ieee80211_if_set_type(dev, type);
-
- return 0;
+ return ieee80211_if_change_type(sdata, type);
}
@@ -452,7 +444,7 @@ static int ieee80211_ioctl_siwessid(struct net_device *dev,
memset(sdata->u.ap.ssid + len, 0,
IEEE80211_MAX_SSID_LEN - len);
sdata->u.ap.ssid_len = len;
- return ieee80211_if_config(dev);
+ return ieee80211_if_config(sdata, IEEE80211_IFCC_SSID);
}
return -EOPNOTSUPP;
}
@@ -627,16 +619,14 @@ static int ieee80211_ioctl_siwrate(struct net_device *dev,
struct ieee80211_supported_band *sband;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (!sdata->bss)
- return -ENODEV;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
/* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
* target_rate = X, rate->fixed = 1 means only rate X
* target_rate = X, rate->fixed = 0 means all rates <= X */
- sdata->bss->max_ratectrl_rateidx = -1;
- sdata->bss->force_unicast_rateidx = -1;
+ sdata->max_ratectrl_rateidx = -1;
+ sdata->force_unicast_rateidx = -1;
if (rate->value < 0)
return 0;
@@ -645,9 +635,9 @@ static int ieee80211_ioctl_siwrate(struct net_device *dev,
int this_rate = brate->bitrate;
if (target_rate == this_rate) {
- sdata->bss->max_ratectrl_rateidx = i;
+ sdata->max_ratectrl_rateidx = i;
if (rate->fixed)
- sdata->bss->force_unicast_rateidx = i;
+ sdata->force_unicast_rateidx = i;
err = 0;
break;
}
@@ -1009,6 +999,45 @@ static int ieee80211_ioctl_giwencode(struct net_device *dev,
return 0;
}
+static int ieee80211_ioctl_siwpower(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_param *wrq,
+ char *extra)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_conf *conf = &local->hw.conf;
+
+ if (wrq->disabled) {
+ conf->flags &= ~IEEE80211_CONF_PS;
+ return ieee80211_hw_config(local);
+ }
+
+ switch (wrq->flags & IW_POWER_MODE) {
+ case IW_POWER_ON: /* If not specified */
+ case IW_POWER_MODE: /* If set all mask */
+ case IW_POWER_ALL_R: /* If explicitely state all */
+ conf->flags |= IEEE80211_CONF_PS;
+ break;
+ default: /* Otherwise we don't support it */
+ return -EINVAL;
+ }
+
+ return ieee80211_hw_config(local);
+}
+
+static int ieee80211_ioctl_giwpower(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_conf *conf = &local->hw.conf;
+
+ wrqu->power.disabled = !(conf->flags & IEEE80211_CONF_PS);
+
+ return 0;
+}
+
static int ieee80211_ioctl_siwauth(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *data, char *extra)
@@ -1211,8 +1240,8 @@ static const iw_handler ieee80211_handler[] =
(iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
(iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
(iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
- (iw_handler) NULL, /* SIOCSIWPOWER */
- (iw_handler) NULL, /* SIOCGIWPOWER */
+ (iw_handler) ieee80211_ioctl_siwpower, /* SIOCSIWPOWER */
+ (iw_handler) ieee80211_ioctl_giwpower, /* SIOCGIWPOWER */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */