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Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

This commit is contained in:
John W. Linville 2013-03-25 16:38:02 -04:00
parent 0d4e67174b f00f188f82
commit c78b3841fa
37 changed files with 375 additions and 258 deletions
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2
Documentation/DocBook/80211.tmpl
View File

@ -437,7 +437,7 @@
</section>
!Finclude/net/mac80211.h ieee80211_get_buffered_bc
!Finclude/net/mac80211.h ieee80211_beacon_get
!Finclude/net/mac80211.h ieee80211_sta_eosp_irqsafe
!Finclude/net/mac80211.h ieee80211_sta_eosp
!Finclude/net/mac80211.h ieee80211_frame_release_type
!Finclude/net/mac80211.h ieee80211_sta_ps_transition
!Finclude/net/mac80211.h ieee80211_sta_ps_transition_ni

2
drivers/net/wireless/ath/ar5523/ar5523.c
View File

@ -1091,7 +1091,7 @@ static int ar5523_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
return ret;
}
static void ar5523_flush(struct ieee80211_hw *hw, bool drop)
static void ar5523_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
{
struct ar5523 *ar = hw->priv;

2
drivers/net/wireless/ath/ath9k/main.c
View File

@ -1745,7 +1745,7 @@ static void ath9k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)
mutex_unlock(&sc->mutex);
}
static void ath9k_flush(struct ieee80211_hw *hw, bool drop)
static void ath9k_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
{
struct ath_softc *sc = hw->priv;
struct ath_hw *ah = sc->sc_ah;

2
drivers/net/wireless/ath/carl9170/main.c
View File

@ -1703,7 +1703,7 @@ static int carl9170_op_get_survey(struct ieee80211_hw *hw, int idx,
return 0;
}
static void carl9170_op_flush(struct ieee80211_hw *hw, bool drop)
static void carl9170_op_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
{
struct ar9170 *ar = hw->priv;
unsigned int vid;

2
drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
View File

@ -724,7 +724,7 @@ static bool brcms_tx_flush_completed(struct brcms_info *wl)
return result;
}
static void brcms_ops_flush(struct ieee80211_hw *hw, bool drop)
static void brcms_ops_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
{
struct brcms_info *wl = hw->priv;
int ret;

3
drivers/net/wireless/iwlegacy/common.c
View File

@ -4704,8 +4704,7 @@ il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
}
EXPORT_SYMBOL(il_mac_change_interface);
void
il_mac_flush(struct ieee80211_hw *hw, bool drop)
void il_mac_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
{
struct il_priv *il = hw->priv;
unsigned long timeout = jiffies + msecs_to_jiffies(500);

2
drivers/net/wireless/iwlegacy/common.h
View File

@ -1720,7 +1720,7 @@ void il_mac_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif);
int il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
enum nl80211_iftype newtype, bool newp2p);
void il_mac_flush(struct ieee80211_hw *hw, bool drop);
void il_mac_flush(struct ieee80211_hw *hw, u32 queues, bool drop);
int il_alloc_txq_mem(struct il_priv *il);
void il_free_txq_mem(struct il_priv *il);

2
drivers/net/wireless/iwlwifi/dvm/mac80211.c
View File

@ -1100,7 +1100,7 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw,
FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL;
}
static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop)
static void iwlagn_mac_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
{
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);

8
drivers/net/wireless/mac80211_hwsim.c
View File

@ -964,6 +964,12 @@ static int mac80211_hwsim_change_interface(struct ieee80211_hw *hw,
newtype, vif->addr);
hwsim_check_magic(vif);
/*
* interface may change from non-AP to AP in
* which case this needs to be set up again
*/
vif->cab_queue = 0;
return 0;
}
@ -1389,7 +1395,7 @@ static int mac80211_hwsim_ampdu_action(struct ieee80211_hw *hw,
return 0;
}
static void mac80211_hwsim_flush(struct ieee80211_hw *hw, bool drop)
static void mac80211_hwsim_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
{
/* Not implemented, queues only on kernel side */
}

2
drivers/net/wireless/p54/main.c
View File

@ -670,7 +670,7 @@ static unsigned int p54_flush_count(struct p54_common *priv)
return total;
}
static void p54_flush(struct ieee80211_hw *dev, bool drop)
static void p54_flush(struct ieee80211_hw *dev, u32 queues, bool drop)
{
struct p54_common *priv = dev->priv;
unsigned int total, i;

2
drivers/net/wireless/rt2x00/rt2x00.h
View File

@ -1366,7 +1366,7 @@ int rt2x00mac_conf_tx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif, u16 queue,
const struct ieee80211_tx_queue_params *params);
void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw);
void rt2x00mac_flush(struct ieee80211_hw *hw, bool drop);
void rt2x00mac_flush(struct ieee80211_hw *hw, u32 queues, bool drop);
int rt2x00mac_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant);
int rt2x00mac_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant);
void rt2x00mac_get_ringparam(struct ieee80211_hw *hw,

2
drivers/net/wireless/rt2x00/rt2x00mac.c
View File

@ -748,7 +748,7 @@ void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw)
}
EXPORT_SYMBOL_GPL(rt2x00mac_rfkill_poll);
void rt2x00mac_flush(struct ieee80211_hw *hw, bool drop)
void rt2x00mac_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
struct data_queue *queue;

2
drivers/net/wireless/rtlwifi/core.c
View File

@ -1166,7 +1166,7 @@ static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
* before switch channle or power save, or tx buffer packet
* maybe send after offchannel or rf sleep, this may cause
* dis-association by AP */
static void rtl_op_flush(struct ieee80211_hw *hw, bool drop)
static void rtl_op_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);

2
drivers/net/wireless/ti/wlcore/main.c
View File

@ -4946,7 +4946,7 @@ static void wl12xx_op_channel_switch(struct ieee80211_hw *hw,
mutex_unlock(&wl->mutex);
}
static void wlcore_op_flush(struct ieee80211_hw *hw, bool drop)
static void wlcore_op_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
{
struct wl1271 *wl = hw->priv;

68
include/net/mac80211.h
View File

@ -93,9 +93,11 @@ struct device;
* enum ieee80211_max_queues - maximum number of queues
*
* @IEEE80211_MAX_QUEUES: Maximum number of regular device queues.
* @IEEE80211_MAX_QUEUE_MAP: bitmap with maximum queues set
*/
enum ieee80211_max_queues {
IEEE80211_MAX_QUEUES = 16,
IEEE80211_MAX_QUEUE_MAP = BIT(IEEE80211_MAX_QUEUES) - 1,
};
#define IEEE80211_INVAL_HW_QUEUE 0xff
@ -1067,6 +1069,9 @@ enum ieee80211_vif_flags {
* path needing to access it; even though the netdev carrier will always
* be off when it is %NULL there can still be races and packets could be
* processed after it switches back to %NULL.
* @debugfs_dir: debugfs dentry, can be used by drivers to create own per
* interface debug files. Note that it will be NULL for the virtual
* monitor interface (if that is requested.)
* @drv_priv: data area for driver use, will always be aligned to
* sizeof(void *).
*/
@ -1083,6 +1088,10 @@ struct ieee80211_vif {
u32 driver_flags;
#ifdef CONFIG_MAC80211_DEBUGFS
struct dentry *debugfs_dir;
#endif
/* must be last */
u8 drv_priv[0] __aligned(sizeof(void *));
};
@ -1946,14 +1955,14 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb);
* filter those response frames except in the case of frames that
* are buffered in the driver -- those must remain buffered to avoid
* reordering. Because it is possible that no frames are released
* in this case, the driver must call ieee80211_sta_eosp_irqsafe()
* in this case, the driver must call ieee80211_sta_eosp()
* to indicate to mac80211 that the service period ended anyway.
*
* Finally, if frames from multiple TIDs are released from mac80211
* but the driver might reorder them, it must clear & set the flags
* appropriately (only the last frame may have %IEEE80211_TX_STATUS_EOSP)
* and also take care of the EOSP and MORE_DATA bits in the frame.
* The driver may also use ieee80211_sta_eosp_irqsafe() in this case.
* The driver may also use ieee80211_sta_eosp() in this case.
*/
/**
@ -2226,18 +2235,6 @@ enum ieee80211_roc_type {
* MAC address of the device going away.
* Hence, this callback must be implemented. It can sleep.
*
* @add_interface_debugfs: Drivers can use this callback to add debugfs files
* when a vif is added to mac80211. This callback and
* @remove_interface_debugfs should be within a CONFIG_MAC80211_DEBUGFS
* conditional. @remove_interface_debugfs must be provided for cleanup.
* This callback can sleep.
*
* @remove_interface_debugfs: Remove the debugfs files which were added using
* @add_interface_debugfs. This callback must remove all debugfs entries
* that were added because mac80211 only removes interface debugfs when the
* interface is destroyed, not when it is removed from the driver.
* This callback can sleep.
*
* @config: Handler for configuration requests. IEEE 802.11 code calls this
* function to change hardware configuration, e.g., channel.
* This function should never fail but returns a negative error code
@ -2259,6 +2256,9 @@ enum ieee80211_roc_type {
* See the section "Frame filtering" for more information.
* This callback must be implemented and can sleep.
*
* @set_multicast_list: Configure the device's interface specific RX multicast
* filter. This callback is optional. This callback must be atomic.
*
* @set_tim: Set TIM bit. mac80211 calls this function when a TIM bit
* must be set or cleared for a given STA. Must be atomic.
*
@ -2440,8 +2440,11 @@ enum ieee80211_roc_type {
* @testmode_dump: Implement a cfg80211 test mode dump. The callback can sleep.
*
* @flush: Flush all pending frames from the hardware queue, making sure
* that the hardware queues are empty. If the parameter @drop is set
* to %true, pending frames may be dropped. The callback can sleep.
* that the hardware queues are empty. The @queues parameter is a bitmap
* of queues to flush, which is useful if different virtual interfaces
* use different hardware queues; it may also indicate all queues.
* If the parameter @drop is set to %true, pending frames may be dropped.
* The callback can sleep.
*
* @channel_switch: Drivers that need (or want) to offload the channel
* switch operation for CSAs received from the AP may implement this
@ -2506,7 +2509,7 @@ enum ieee80211_roc_type {
* setting the EOSP flag in the QoS header of the frames. Also, when the
* service period ends, the driver must set %IEEE80211_TX_STATUS_EOSP
* on the last frame in the SP. Alternatively, it may call the function
* ieee80211_sta_eosp_irqsafe() to inform mac80211 of the end of the SP.
* ieee80211_sta_eosp() to inform mac80211 of the end of the SP.
* This callback must be atomic.
* @allow_buffered_frames: Prepare device to allow the given number of frames
* to go out to the given station. The frames will be sent by mac80211
@ -2517,7 +2520,7 @@ enum ieee80211_roc_type {
* them between the TIDs, it must set the %IEEE80211_TX_STATUS_EOSP flag
* on the last frame and clear it on all others and also handle the EOSP
* bit in the QoS header correctly. Alternatively, it can also call the
* ieee80211_sta_eosp_irqsafe() function.
* ieee80211_sta_eosp() function.
* The @tids parameter is a bitmap and tells the driver which TIDs the
* frames will be on; it will at most have two bits set.
* This callback must be atomic.
@ -2605,6 +2608,10 @@ struct ieee80211_ops {
unsigned int changed_flags,
unsigned int *total_flags,
u64 multicast);
void (*set_multicast_list)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif, bool allmulti,
struct netdev_hw_addr_list *mc_list);
int (*set_tim)(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
bool set);
int (*set_key)(struct ieee80211_hw *hw, enum set_key_cmd cmd,
@ -2651,12 +2658,6 @@ struct ieee80211_ops {
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct dentry *dir);
void (*add_interface_debugfs)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct dentry *dir);
void (*remove_interface_debugfs)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct dentry *dir);
#endif
void (*sta_notify)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
enum sta_notify_cmd, struct ieee80211_sta *sta);
@ -2691,7 +2692,7 @@ struct ieee80211_ops {
struct netlink_callback *cb,
void *data, int len);
#endif
void (*flush)(struct ieee80211_hw *hw, bool drop);
void (*flush)(struct ieee80211_hw *hw, u32 queues, bool drop);
void (*channel_switch)(struct ieee80211_hw *hw,
struct ieee80211_channel_switch *ch_switch);
int (*napi_poll)(struct ieee80211_hw *hw, int budget);
@ -3857,14 +3858,17 @@ void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
* %IEEE80211_TX_STATUS_EOSP bit and call this function instead.
* This applies for PS-Poll as well as uAPSD.
*
* Note that there is no non-_irqsafe version right now as
* it wasn't needed, but just like _tx_status() and _rx()
* must not be mixed in irqsafe/non-irqsafe versions, this
* function must not be mixed with those either. Use the
* all irqsafe, or all non-irqsafe, don't mix! If you need
* the non-irqsafe version of this, you need to add it.
* Note that just like with _tx_status() and _rx() drivers must
* not mix calls to irqsafe/non-irqsafe versions, this function
* must not be mixed with those either. Use the all irqsafe, or
* all non-irqsafe, don't mix!
*
* NB: the _irqsafe version of this function doesn't exist, no
* driver needs it right now. Don't call this function if
* you'd need the _irqsafe version, look at the git history
* and restore the _irqsafe version!
*/
void ieee80211_sta_eosp_irqsafe(struct ieee80211_sta *pubsta);
void ieee80211_sta_eosp(struct ieee80211_sta *pubsta);
/**
* ieee80211_iter_keys - iterate keys programmed into the device

29
net/mac80211/cfg.c
View File

@ -175,7 +175,7 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
* add it to the device after the station.
*/
if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
ieee80211_key_free(sdata->local, key);
ieee80211_key_free_unused(key);
err = -ENOENT;
goto out_unlock;
}
@ -214,8 +214,6 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
}
err = ieee80211_key_link(key, sdata, sta);
if (err)
ieee80211_key_free(sdata->local, key);
out_unlock:
mutex_unlock(&sdata->local->sta_mtx);
@ -254,7 +252,7 @@ static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
goto out_unlock;
}
__ieee80211_key_free(key, true);
ieee80211_key_free(key, true);
ret = 0;
out_unlock:
@ -445,12 +443,14 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
struct ieee80211_sub_if_data *sdata = sta->sdata;
struct ieee80211_local *local = sdata->local;
struct timespec uptime;
u64 packets = 0;
int ac;
sinfo->generation = sdata->local->sta_generation;
sinfo->filled = STATION_INFO_INACTIVE_TIME |
STATION_INFO_RX_BYTES |
STATION_INFO_TX_BYTES |
STATION_INFO_RX_BYTES64 |
STATION_INFO_TX_BYTES64 |
STATION_INFO_RX_PACKETS |
STATION_INFO_TX_PACKETS |
STATION_INFO_TX_RETRIES |
@ -467,10 +467,14 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
sinfo->connected_time = uptime.tv_sec - sta->last_connected;
sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
sinfo->tx_bytes = 0;
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
sinfo->tx_bytes += sta->tx_bytes[ac];
packets += sta->tx_packets[ac];
}
sinfo->tx_packets = packets;
sinfo->rx_bytes = sta->rx_bytes;
sinfo->tx_bytes = sta->tx_bytes;
sinfo->rx_packets = sta->rx_packets;
sinfo->tx_packets = sta->tx_packets;
sinfo->tx_retries = sta->tx_retry_count;
sinfo->tx_failed = sta->tx_retry_failed;
sinfo->rx_dropped_misc = sta->rx_dropped;
@ -598,8 +602,8 @@ static void ieee80211_get_et_stats(struct wiphy *wiphy,
data[i++] += sta->rx_fragments; \
data[i++] += sta->rx_dropped; \
\
data[i++] += sta->tx_packets; \
data[i++] += sta->tx_bytes; \
data[i++] += sinfo.tx_packets; \
data[i++] += sinfo.tx_bytes; \
data[i++] += sta->tx_fragments; \
data[i++] += sta->tx_filtered_count; \
data[i++] += sta->tx_retry_failed; \
@ -621,13 +625,14 @@ static void ieee80211_get_et_stats(struct wiphy *wiphy,
if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
goto do_survey;
sinfo.filled = 0;
sta_set_sinfo(sta, &sinfo);
i = 0;
ADD_STA_STATS(sta);
data[i++] = sta->sta_state;
sinfo.filled = 0;
sta_set_sinfo(sta, &sinfo);
if (sinfo.filled & STATION_INFO_TX_BITRATE)
data[i] = 100000 *

10
net/mac80211/debugfs_key.c
View File

@ -295,7 +295,7 @@ void ieee80211_debugfs_key_update_default(struct ieee80211_sub_if_data *sdata)
char buf[50];
struct ieee80211_key *key;
if (!sdata->debugfs.dir)
if (!sdata->vif.debugfs_dir)
return;
lockdep_assert_held(&sdata->local->key_mtx);
@ -311,7 +311,7 @@ void ieee80211_debugfs_key_update_default(struct ieee80211_sub_if_data *sdata)
sprintf(buf, "../keys/%d", key->debugfs.cnt);
sdata->debugfs.default_unicast_key =
debugfs_create_symlink("default_unicast_key",
sdata->debugfs.dir, buf);
sdata->vif.debugfs_dir, buf);
}
if (sdata->debugfs.default_multicast_key) {
@ -325,7 +325,7 @@ void ieee80211_debugfs_key_update_default(struct ieee80211_sub_if_data *sdata)
sprintf(buf, "../keys/%d", key->debugfs.cnt);
sdata->debugfs.default_multicast_key =
debugfs_create_symlink("default_multicast_key",
sdata->debugfs.dir, buf);
sdata->vif.debugfs_dir, buf);
}
}
@ -334,7 +334,7 @@ void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata)
char buf[50];
struct ieee80211_key *key;
if (!sdata->debugfs.dir)
if (!sdata->vif.debugfs_dir)
return;
key = key_mtx_dereference(sdata->local,
@ -343,7 +343,7 @@ void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata)
sprintf(buf, "../keys/%d", key->debugfs.cnt);
sdata->debugfs.default_mgmt_key =
debugfs_create_symlink("default_mgmt_key",
sdata->debugfs.dir, buf);
sdata->vif.debugfs_dir, buf);
} else
ieee80211_debugfs_key_remove_mgmt_default(sdata);
}

22
net/mac80211/debugfs_netdev.c
View File

@ -521,7 +521,7 @@ IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration,
#endif
#define DEBUGFS_ADD_MODE(name, mode) \
debugfs_create_file(#name, mode, sdata->debugfs.dir, \
debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
sdata, &name##_ops);
#define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
@ -577,7 +577,7 @@ static void add_mesh_files(struct ieee80211_sub_if_data *sdata)
static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
{
struct dentry *dir = debugfs_create_dir("mesh_stats",
sdata->debugfs.dir);
sdata->vif.debugfs_dir);
#define MESHSTATS_ADD(name)\
debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
@ -594,7 +594,7 @@ static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
{
struct dentry *dir = debugfs_create_dir("mesh_config",
sdata->debugfs.dir);
sdata->vif.debugfs_dir);
#define MESHPARAMS_ADD(name) \
debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
@ -631,7 +631,7 @@ static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
static void add_files(struct ieee80211_sub_if_data *sdata)
{
if (!sdata->debugfs.dir)
if (!sdata->vif.debugfs_dir)
return;
DEBUGFS_ADD(flags);
@ -673,21 +673,21 @@ void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
char buf[10+IFNAMSIZ];
sprintf(buf, "netdev:%s", sdata->name);
sdata->debugfs.dir = debugfs_create_dir(buf,
sdata->vif.debugfs_dir = debugfs_create_dir(buf,
sdata->local->hw.wiphy->debugfsdir);
if (sdata->debugfs.dir)
if (sdata->vif.debugfs_dir)
sdata->debugfs.subdir_stations = debugfs_create_dir("stations",
sdata->debugfs.dir);
sdata->vif.debugfs_dir);
add_files(sdata);
}
void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
{
if (!sdata->debugfs.dir)
if (!sdata->vif.debugfs_dir)
return;
debugfs_remove_recursive(sdata->debugfs.dir);
sdata->debugfs.dir = NULL;
debugfs_remove_recursive(sdata->vif.debugfs_dir);
sdata->vif.debugfs_dir = NULL;
}
void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
@ -695,7 +695,7 @@ void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
struct dentry *dir;
char buf[10 + IFNAMSIZ];
dir = sdata->debugfs.dir;
dir = sdata->vif.debugfs_dir;
if (!dir)
return;

60
net/mac80211/driver-ops.h
View File

@ -241,6 +241,22 @@ static inline u64 drv_prepare_multicast(struct ieee80211_local *local,
return ret;
}
static inline void drv_set_multicast_list(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct netdev_hw_addr_list *mc_list)
{
bool allmulti = sdata->flags & IEEE80211_SDATA_ALLMULTI;
trace_drv_set_multicast_list(local, sdata, mc_list->count);
check_sdata_in_driver(sdata);
if (local->ops->set_multicast_list)
local->ops->set_multicast_list(&local->hw, &sdata->vif,
allmulti, mc_list);
trace_drv_return_void(local);
}
static inline void drv_configure_filter(struct ieee80211_local *local,
unsigned int changed_flags,
unsigned int *total_flags,
@ -531,43 +547,6 @@ static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
sta, dir);
}
static inline
void drv_add_interface_debugfs(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
might_sleep();
check_sdata_in_driver(sdata);
if (!local->ops->add_interface_debugfs)
return;
local->ops->add_interface_debugfs(&local->hw, &sdata->vif,
sdata->debugfs.dir);
}
static inline
void drv_remove_interface_debugfs(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
might_sleep();
check_sdata_in_driver(sdata);
if (!local->ops->remove_interface_debugfs)
return;
local->ops->remove_interface_debugfs(&local->hw, &sdata->vif,
sdata->debugfs.dir);
}
#else
static inline
void drv_add_interface_debugfs(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata) {}
static inline
void drv_remove_interface_debugfs(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata) {}
#endif
static inline __must_check
@ -741,13 +720,14 @@ static inline void drv_rfkill_poll(struct ieee80211_local *local)
local->ops->rfkill_poll(&local->hw);
}
static inline void drv_flush(struct ieee80211_local *local, bool drop)
static inline void drv_flush(struct ieee80211_local *local,
u32 queues, bool drop)
{
might_sleep();
trace_drv_flush(local, drop);
trace_drv_flush(local, queues, drop);
if (local->ops->flush)
local->ops->flush(&local->hw, drop);
local->ops->flush(&local->hw, queues, drop);
trace_drv_return_void(local);
}

11
net/mac80211/ieee80211_i.h
View File

@ -758,7 +758,6 @@ struct ieee80211_sub_if_data {
#ifdef CONFIG_MAC80211_DEBUGFS
struct {
struct dentry *dir;
struct dentry *subdir_stations;
struct dentry *default_unicast_key;
struct dentry *default_multicast_key;
@ -800,11 +799,6 @@ enum sdata_queue_type {
enum {
IEEE80211_RX_MSG = 1,
IEEE80211_TX_STATUS_MSG = 2,
IEEE80211_EOSP_MSG = 3,
};
struct skb_eosp_msg_data {
u8 sta[ETH_ALEN], iface[ETH_ALEN];
};
enum queue_stop_reason {
@ -815,6 +809,7 @@ enum queue_stop_reason {
IEEE80211_QUEUE_STOP_REASON_SUSPEND,
IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL,
IEEE80211_QUEUE_STOP_REASON_FLUSH,
};
#ifdef CONFIG_MAC80211_LEDS
@ -1528,8 +1523,10 @@ void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
struct ieee80211_hdr *hdr, bool ack);
void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
unsigned long queues,
enum queue_stop_reason reason);
void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
unsigned long queues,
enum queue_stop_reason reason);
void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
enum queue_stop_reason reason);
@ -1546,6 +1543,8 @@ static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local,
{
ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL);
}
void ieee80211_flush_queues(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata);
void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
u16 transaction, u16 auth_alg, u16 status,

17
net/mac80211/iface.c
View File

@ -92,7 +92,7 @@ static u32 ieee80211_idle_on(struct ieee80211_local *local)
if (local->hw.conf.flags & IEEE80211_CONF_IDLE)
return 0;
drv_flush(local, false);
ieee80211_flush_queues(local, NULL);
local->hw.conf.flags |= IEEE80211_CONF_IDLE;
return IEEE80211_CONF_CHANGE_IDLE;
@ -557,8 +557,6 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
goto err_del_interface;
}
drv_add_interface_debugfs(local, sdata);
if (sdata->vif.type == NL80211_IFTYPE_AP) {
local->fif_pspoll++;
local->fif_probe_req++;
@ -846,8 +844,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
case NL80211_IFTYPE_AP:
skb_queue_purge(&sdata->skb_queue);
drv_remove_interface_debugfs(local, sdata);
if (going_down)
drv_remove_interface(local, sdata);
}
@ -919,6 +915,17 @@ static void ieee80211_set_multicast_list(struct net_device *dev)
atomic_dec(&local->iff_promiscs);
sdata->flags ^= IEEE80211_SDATA_PROMISC;
}
/*
* TODO: If somebody needs this on AP interfaces,
* it can be enabled easily but multicast
* addresses from VLANs need to be synced.
*/
if (sdata->vif.type != NL80211_IFTYPE_MONITOR &&
sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
sdata->vif.type != NL80211_IFTYPE_AP)
drv_set_multicast_list(local, sdata, &dev->mc);
spin_lock_bh(&local->filter_lock);
__hw_addr_sync(&local->mc_list, &dev->mc, dev->addr_len);
spin_unlock_bh(&local->filter_lock);

131
net/mac80211/key.c
View File

@ -248,11 +248,11 @@ void ieee80211_set_default_mgmt_key(struct ieee80211_sub_if_data *sdata,
}
static void __ieee80211_key_replace(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta,
bool pairwise,
struct ieee80211_key *old,
struct ieee80211_key *new)
static void ieee80211_key_replace(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta,
bool pairwise,
struct ieee80211_key *old,
struct ieee80211_key *new)
{
int idx;
bool defunikey, defmultikey, defmgmtkey;
@ -397,25 +397,21 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
return key;
}
static void __ieee80211_key_destroy(struct ieee80211_key *key,
bool delay_tailroom)
static void ieee80211_key_free_common(struct ieee80211_key *key)
{
if (!key)
return;
/*
* Synchronize so the TX path can no longer be using
* this key before we free/remove it.
*/
synchronize_net();
if (key->local)
ieee80211_key_disable_hw_accel(key);
if (key->conf.cipher == WLAN_CIPHER_SUITE_CCMP)
ieee80211_aes_key_free(key->u.ccmp.tfm);
if (key->conf.cipher == WLAN_CIPHER_SUITE_AES_CMAC)
ieee80211_aes_cmac_key_free(key->u.aes_cmac.tfm);
kfree(key);
}
static void __ieee80211_key_destroy(struct ieee80211_key *key,
bool delay_tailroom)
{
if (key->local)
ieee80211_key_disable_hw_accel(key);
if (key->local) {
struct ieee80211_sub_if_data *sdata = key->sdata;
@ -431,7 +427,28 @@ static void __ieee80211_key_destroy(struct ieee80211_key *key,
}
}
kfree(key);
ieee80211_key_free_common(key);
}
static void ieee80211_key_destroy(struct ieee80211_key *key,
bool delay_tailroom)
{
if (!key)
return;
/*
* Synchronize so the TX path can no longer be using
* this key before we free/remove it.
*/
synchronize_net();
__ieee80211_key_destroy(key, delay_tailroom);
}
void ieee80211_key_free_unused(struct ieee80211_key *key)
{
WARN_ON(key->sdata || key->local);
ieee80211_key_free_common(key);
}
int ieee80211_key_link(struct ieee80211_key *key,
@ -462,19 +479,22 @@ int ieee80211_key_link(struct ieee80211_key *key,
increment_tailroom_need_count(sdata);
__ieee80211_key_replace(sdata, sta, pairwise, old_key, key);
__ieee80211_key_destroy(old_key, true);
ieee80211_key_replace(sdata, sta, pairwise, old_key, key);
ieee80211_key_destroy(old_key, true);
ieee80211_debugfs_key_add(key);
ret = ieee80211_key_enable_hw_accel(key);
if (ret)
ieee80211_key_free(key, true);
mutex_unlock(&sdata->local->key_mtx);
return ret;
}
void __ieee80211_key_free(struct ieee80211_key *key, bool delay_tailroom)
void ieee80211_key_free(struct ieee80211_key *key, bool delay_tailroom)
{
if (!key)
return;
@ -483,18 +503,10 @@ void __ieee80211_key_free(struct ieee80211_key *key, bool delay_tailroom)
* Replace key with nothingness if it was ever used.
*/
if (key->sdata)
__ieee80211_key_replace(key->sdata, key->sta,
ieee80211_key_replace(key->sdata, key->sta,
key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE,
key, NULL);
__ieee80211_key_destroy(key, delay_tailroom);
}
void ieee80211_key_free(struct ieee80211_local *local,
struct ieee80211_key *key)
{
mutex_lock(&local->key_mtx);
__ieee80211_key_free(key, true);
mutex_unlock(&local->key_mtx);
ieee80211_key_destroy(key, delay_tailroom);
}
void ieee80211_enable_keys(struct ieee80211_sub_if_data *sdata)
@ -554,6 +566,7 @@ EXPORT_SYMBOL(ieee80211_iter_keys);
void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_key *key, *tmp;
LIST_HEAD(keys);
cancel_delayed_work_sync(&sdata->dec_tailroom_needed_wk);
@ -565,17 +578,65 @@ void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata)
ieee80211_debugfs_key_remove_mgmt_default(sdata);
list_for_each_entry_safe(key, tmp, &sdata->key_list, list)
__ieee80211_key_free(key, false);
list_for_each_entry_safe(key, tmp, &sdata->key_list, list) {
ieee80211_key_replace(key->sdata, key->sta,
key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE,
key, NULL);
list_add_tail(&key->list, &keys);
}
ieee80211_debugfs_key_update_default(sdata);
if (!list_empty(&keys)) {
synchronize_net();
list_for_each_entry_safe(key, tmp, &keys, list)
__ieee80211_key_destroy(key, false);
}
WARN_ON_ONCE(sdata->crypto_tx_tailroom_needed_cnt ||
sdata->crypto_tx_tailroom_pending_dec);
mutex_unlock(&sdata->local->key_mtx);
}
void ieee80211_free_sta_keys(struct ieee80211_local *local,
struct sta_info *sta)
{
struct ieee80211_key *key, *tmp;
LIST_HEAD(keys);
int i;
mutex_lock(&local->key_mtx);
for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
key = key_mtx_dereference(local, sta->gtk[i]);
if (!key)
continue;
ieee80211_key_replace(key->sdata, key->sta,
key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE,
key, NULL);
list_add(&key->list, &keys);
}
key = key_mtx_dereference(local, sta->ptk);
if (key) {
ieee80211_key_replace(key->sdata, key->sta,
key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE,
key, NULL);
list_add(&key->list, &keys);
}
/*
* NB: the station code relies on this being
* done even if there aren't any keys
*/
synchronize_net();
list_for_each_entry_safe(key, tmp, &keys, list)
__ieee80211_key_destroy(key, true);
mutex_unlock(&local->key_mtx);
}
void ieee80211_delayed_tailroom_dec(struct work_struct *wk)
{
struct ieee80211_sub_if_data *sdata;

15
net/mac80211/key.h
View File

@ -129,19 +129,20 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
size_t seq_len, const u8 *seq);
/*
* Insert a key into data structures (sdata, sta if necessary)
* to make it used, free old key.
* to make it used, free old key. On failure, also free the new key.
*/
int __must_check ieee80211_key_link(struct ieee80211_key *key,
struct ieee80211_sub_if_data *sdata,
struct sta_info *sta);
void __ieee80211_key_free(struct ieee80211_key *key, bool delay_tailroom);
void ieee80211_key_free(struct ieee80211_local *local,
struct ieee80211_key *key);
int ieee80211_key_link(struct ieee80211_key *key,
struct ieee80211_sub_if_data *sdata,
struct sta_info *sta);
void ieee80211_key_free(struct ieee80211_key *key, bool delay_tailroom);
void ieee80211_key_free_unused(struct ieee80211_key *key);
void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx,
bool uni, bool multi);
void ieee80211_set_default_mgmt_key(struct ieee80211_sub_if_data *sdata,
int idx);
void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata);
void ieee80211_free_sta_keys(struct ieee80211_local *local,
struct sta_info *sta);
void ieee80211_enable_keys(struct ieee80211_sub_if_data *sdata);
#define key_mtx_dereference(local, ref) \

22
net/mac80211/main.c
View File

@ -100,7 +100,6 @@ static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local)
int power;
enum nl80211_channel_type channel_type;
u32 offchannel_flag;
bool scanning = false;
offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
if (local->scan_channel) {
@ -147,9 +146,6 @@ static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local)
changed |= IEEE80211_CONF_CHANGE_SMPS;
}
scanning = test_bit(SCAN_SW_SCANNING, &local->scanning) ||
test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) ||
test_bit(SCAN_HW_SCANNING, &local->scanning);
power = chan->max_power;
rcu_read_lock();
@ -226,8 +222,6 @@ u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
static void ieee80211_tasklet_handler(unsigned long data)
{
struct ieee80211_local *local = (struct ieee80211_local *) data;
struct sta_info *sta, *tmp;
struct skb_eosp_msg_data *eosp_data;
struct sk_buff *skb;
while ((skb = skb_dequeue(&local->skb_queue)) ||
@ -243,18 +237,6 @@ static void ieee80211_tasklet_handler(unsigned long data)
skb->pkt_type = 0;
ieee80211_tx_status(&local->hw, skb);
break;
case IEEE80211_EOSP_MSG:
eosp_data = (void *)skb->cb;
for_each_sta_info(local, eosp_data->sta, sta, tmp) {
/* skip wrong virtual interface */
if (memcmp(eosp_data->iface,
sta->sdata->vif.addr, ETH_ALEN))
continue;
clear_sta_flag(sta, WLAN_STA_SP);
break;
}
dev_kfree_skb(skb);
break;
default:
WARN(1, "mac80211: Packet is of unknown type %d\n",
skb->pkt_type);
@ -295,8 +277,8 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw)
"Hardware restart was requested\n");
/* use this reason, ieee80211_reconfig will unblock it */
ieee80211_stop_queues_by_reason(hw,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
ieee80211_stop_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
/*
* Stop all Rx during the reconfig. We don't want state changes

5
net/mac80211/mesh.c
View File

@ -699,10 +699,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
static int
ieee80211_mesh_rebuild_beacon(struct ieee80211_if_mesh *ifmsh)
{
struct ieee80211_sub_if_data *sdata;
struct beacon_data *old_bcn;
int ret;
sdata = container_of(ifmsh, struct ieee80211_sub_if_data, u.mesh);
mutex_lock(&ifmsh->mtx);
@ -833,9 +831,8 @@ ieee80211_mesh_rx_probe_req(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *hdr;
struct ieee802_11_elems elems;
size_t baselen;
u8 *pos, *end;
u8 *pos;
end = ((u8 *) mgmt) + len;
pos = mgmt->u.probe_req.variable;
baselen = (u8 *) pos - (u8 *) mgmt;
if (baselen > len)

12
net/mac80211/mlme.c
View File

@ -1009,6 +1009,7 @@ static void ieee80211_chswitch_work(struct work_struct *work)
/* XXX: wait for a beacon first? */
ieee80211_wake_queues_by_reason(&sdata->local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
out:
ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
@ -1108,6 +1109,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
if (sw_elem->mode)
ieee80211_stop_queues_by_reason(&sdata->local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
if (sdata->local->ops->channel_switch) {
@ -1375,6 +1377,7 @@ void ieee80211_dynamic_ps_disable_work(struct work_struct *work)
}
ieee80211_wake_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_PS);
}
@ -1436,7 +1439,7 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
else {
ieee80211_send_nullfunc(local, sdata, 1);
/* Flush to get the tx status of nullfunc frame */
drv_flush(local, false);
ieee80211_flush_queues(local, sdata);
}
}
@ -1767,7 +1770,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
/* flush out any pending frame (e.g. DELBA) before deauth/disassoc */
if (tx)
drv_flush(local, false);
ieee80211_flush_queues(local, sdata);
/* deauthenticate/disassociate now */
if (tx || frame_buf)
@ -1776,7 +1779,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
/* flush out frame */
if (tx)
drv_flush(local, false);
ieee80211_flush_queues(local, sdata);
/* clear bssid only after building the needed mgmt frames */
memset(ifmgd->bssid, 0, ETH_ALEN);
@ -1948,7 +1951,7 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
ifmgd->probe_timeout = jiffies + msecs_to_jiffies(probe_wait_ms);
run_again(ifmgd, ifmgd->probe_timeout);
if (sdata->local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
drv_flush(sdata->local, false);
ieee80211_flush_queues(sdata->local, sdata);
}
static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata,
@ -2071,6 +2074,7 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
true, frame_buf);
ifmgd->flags &= ~IEEE80211_STA_CSA_RECEIVED;
ieee80211_wake_queues_by_reason(&sdata->local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_CSA);
mutex_unlock(&ifmgd->mtx);

8
net/mac80211/offchannel.c
View File

@ -118,9 +118,9 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local)
* Stop queues and transmit all frames queued by the driver
* before sending nullfunc to enable powersave at the AP.
*/
ieee80211_stop_queues_by_reason(&local->hw,
ieee80211_stop_queues_by_reason(&local->hw, IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL);
drv_flush(local, false);
ieee80211_flush_queues(local, NULL);
mutex_lock(&local->iflist_mtx);
list_for_each_entry(sdata, &local->interfaces, list) {
@ -181,7 +181,7 @@ void ieee80211_offchannel_return(struct ieee80211_local *local)
}
mutex_unlock(&local->iflist_mtx);
ieee80211_wake_queues_by_reason(&local->hw,
ieee80211_wake_queues_by_reason(&local->hw, IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL);
}
@ -373,7 +373,7 @@ void ieee80211_sw_roc_work(struct work_struct *work)
ieee80211_roc_notify_destroy(roc);
if (started) {
drv_flush(local, false);
ieee80211_flush_queues(local, NULL);
local->tmp_channel = NULL;
ieee80211_hw_config(local, 0);

6
net/mac80211/pm.c
View File

@ -30,12 +30,13 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
}
ieee80211_stop_queues_by_reason(hw,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
/* flush out all packets */
synchronize_net();
drv_flush(local, false);
ieee80211_flush_queues(local, NULL);
local->quiescing = true;
/* make quiescing visible to timers everywhere */
@ -68,6 +69,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
mutex_unlock(&local->sta_mtx);
}
ieee80211_wake_queues_by_reason(hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
return err;
} else if (err > 0) {

24
net/mac80211/rc80211_minstrel_ht.c
View File

@ -202,14 +202,23 @@ minstrel_ht_calc_tp(struct minstrel_ht_sta *mi, int group, int rate)
struct minstrel_rate_stats *mr;
unsigned int nsecs = 0;
unsigned int tp;
unsigned int prob;
mr = &mi->groups[group].rates[rate];
prob = mr->probability;
if (mr->probability < MINSTREL_FRAC(1, 10)) {
if (prob < MINSTREL_FRAC(1, 10)) {
mr->cur_tp = 0;
return;
}
/*
* For the throughput calculation, limit the probability value to 90% to
* account for collision related packet error rate fluctuation
*/
if (prob > MINSTREL_FRAC(9, 10))
prob = MINSTREL_FRAC(9, 10);
if (group != MINSTREL_CCK_GROUP)
nsecs = 1000 * mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len);
@ -639,15 +648,18 @@ minstrel_get_sample_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
/*
* Sampling might add some overhead (RTS, no aggregation)
* to the frame. Hence, don't use sampling for the currently
* used max TP rate.
* used rates.
*/
if (sample_idx == mi->max_tp_rate)
if (sample_idx == mi->max_tp_rate ||
sample_idx == mi->max_tp_rate2 ||
sample_idx == mi->max_prob_rate)
return -1;
/*
* When not using MRR, do not sample if the probability is already
* higher than 95% to avoid wasting airtime
* Do not sample if the probability is already higher than 95%
* to avoid wasting airtime.
*/
if (!mp->has_mrr && (mr->probability > MINSTREL_FRAC(95, 100)))
if (mr->probability > MINSTREL_FRAC(95, 100))
return -1;
/*

7
net/mac80211/scan.c
View File

@ -153,7 +153,6 @@ void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb)
u8 *elements;
struct ieee80211_channel *channel;
size_t baselen;
bool beacon;
struct ieee802_11_elems elems;
if (skb->len < 24 ||
@ -175,11 +174,9 @@ void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb)
elements = mgmt->u.probe_resp.variable;
baselen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
beacon = false;
} else {
baselen = offsetof(struct ieee80211_mgmt, u.beacon.variable);
elements = mgmt->u.beacon.variable;
beacon = true;
}
if (baselen > skb->len)
@ -335,7 +332,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local)
ieee80211_offchannel_stop_vifs(local);
/* ensure nullfunc is transmitted before leaving operating channel */
drv_flush(local, false);
ieee80211_flush_queues(local, NULL);
ieee80211_configure_filter(local);
@ -671,7 +668,7 @@ static void ieee80211_scan_state_resume(struct ieee80211_local *local,
ieee80211_offchannel_stop_vifs(local);
if (local->ops->flush) {
drv_flush(local, false);
ieee80211_flush_queues(local, NULL);
*next_delay = 0;
} else
*next_delay = HZ / 10;

45
net/mac80211/sta_info.c
View File

@ -556,6 +556,15 @@ static inline void __bss_tim_clear(u8 *tim, u16 id)
tim[id / 8] &= ~(1 << (id % 8));
}
static inline bool __bss_tim_get(u8 *tim, u16 id)
{
/*
* This format has been mandated by the IEEE specifications,
* so this line may not be changed to use the test_bit() format.
*/
return tim[id / 8] & (1 << (id % 8));
}
static unsigned long ieee80211_tids_for_ac(int ac)
{
/* If we ever support TIDs > 7, this obviously needs to be adjusted */
@ -636,6 +645,9 @@ void sta_info_recalc_tim(struct sta_info *sta)
done:
spin_lock_bh(&local->tim_lock);
if (indicate_tim == __bss_tim_get(ps->tim, id))
goto out_unlock;
if (indicate_tim)
__bss_tim_set(ps->tim, id);
else
@ -647,6 +659,7 @@ void sta_info_recalc_tim(struct sta_info *sta)
local->tim_in_locked_section = false;
}
out_unlock:
spin_unlock_bh(&local->tim_lock);
}
@ -770,7 +783,7 @@ int __must_check __sta_info_destroy(struct sta_info *sta)
{
struct ieee80211_local *local;
struct ieee80211_sub_if_data *sdata;
int ret, i;
int ret;
might_sleep();
@ -797,14 +810,8 @@ int __must_check __sta_info_destroy(struct sta_info *sta)
list_del_rcu(&sta->list);
mutex_lock(&local->key_mtx);
for (i = 0; i < NUM_DEFAULT_KEYS; i++)
__ieee80211_key_free(key_mtx_dereference(local, sta->gtk[i]),
true);
if (sta->ptk)
__ieee80211_key_free(key_mtx_dereference(local, sta->ptk),
true);
mutex_unlock(&local->key_mtx);
/* this always calls synchronize_net() */
ieee80211_free_sta_keys(local, sta);
sta->dead = true;
@ -1390,30 +1397,16 @@ void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
}
EXPORT_SYMBOL(ieee80211_sta_block_awake);
void ieee80211_sta_eosp_irqsafe(struct ieee80211_sta *pubsta)
void ieee80211_sta_eosp(struct ieee80211_sta *pubsta)
{
struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
struct ieee80211_local *local = sta->local;
struct sk_buff *skb;
struct skb_eosp_msg_data *data;
trace_api_eosp(local, pubsta);
skb = alloc_skb(0, GFP_ATOMIC);
if (!skb) {
/* too bad ... but race is better than loss */
clear_sta_flag(sta, WLAN_STA_SP);
return;
}
data = (void *)skb->cb;
memcpy(data->sta, pubsta->addr, ETH_ALEN);
memcpy(data->iface, sta->sdata->vif.addr, ETH_ALEN);
skb->pkt_type = IEEE80211_EOSP_MSG;
skb_queue_tail(&local->skb_queue, skb);
tasklet_schedule(&local->tasklet);
clear_sta_flag(sta, WLAN_STA_SP);
}
EXPORT_SYMBOL(ieee80211_sta_eosp_irqsafe);
EXPORT_SYMBOL(ieee80211_sta_eosp);
void ieee80211_sta_set_buffered(struct ieee80211_sta *pubsta,
u8 tid, bool buffered)

9
net/mac80211/sta_info.h
View File

@ -333,7 +333,8 @@ struct sta_info {
unsigned long driver_buffered_tids;
/* Updated from RX path only, no locking requirements */
unsigned long rx_packets, rx_bytes;
unsigned long rx_packets;
u64 rx_bytes;
unsigned long wep_weak_iv_count;
unsigned long last_rx;
long last_connected;
@ -353,9 +354,9 @@ struct sta_info {
unsigned int fail_avg;
/* Updated from TX path only, no locking requirements */
unsigned long tx_packets;
unsigned long tx_bytes;
unsigned long tx_fragments;
u32 tx_fragments;
u64 tx_packets[IEEE80211_NUM_ACS];
u64 tx_bytes[IEEE80211_NUM_ACS];
struct ieee80211_tx_rate last_tx_rate;
int last_rx_rate_idx;
u32 last_rx_rate_flag;

35
net/mac80211/trace.h
View File

@ -431,6 +431,30 @@ TRACE_EVENT(drv_prepare_multicast,
)
);
TRACE_EVENT(drv_set_multicast_list,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata, int mc_count),
TP_ARGS(local, sdata, mc_count),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(bool, allmulti)
__field(int, mc_count)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->allmulti = sdata->flags & IEEE80211_SDATA_ALLMULTI;
__entry->mc_count = mc_count;
),
TP_printk(
LOCAL_PR_FMT " configure mc filter, count=%d, allmulti=%d",
LOCAL_PR_ARG, __entry->mc_count, __entry->allmulti
)
);
TRACE_EVENT(drv_configure_filter,
TP_PROTO(struct ieee80211_local *local,
unsigned int changed_flags,
@ -940,23 +964,26 @@ TRACE_EVENT(drv_get_survey,
);
TRACE_EVENT(drv_flush,
TP_PROTO(struct ieee80211_local *local, bool drop),
TP_PROTO(struct ieee80211_local *local,
u32 queues, bool drop),
TP_ARGS(local, drop),
TP_ARGS(local, queues, drop),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(bool, drop)
__field(u32, queues)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->drop = drop;
__entry->queues = queues;
),
TP_printk(
LOCAL_PR_FMT " drop:%d",
LOCAL_PR_ARG, __entry->drop
LOCAL_PR_FMT " queues:0x%x drop:%d",
LOCAL_PR_ARG, __entry->queues, __entry->drop
)
);

8
net/mac80211/tx.c
View File

@ -233,6 +233,7 @@ ieee80211_tx_h_dynamic_ps(struct ieee80211_tx_data *tx)
if (local->hw.conf.flags & IEEE80211_CONF_PS) {
ieee80211_stop_queues_by_reason(&local->hw,
IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_PS);
ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
ieee80211_queue_work(&local->hw,
@ -991,15 +992,18 @@ static ieee80211_tx_result debug_noinline
ieee80211_tx_h_stats(struct ieee80211_tx_data *tx)
{
struct sk_buff *skb;
int ac = -1;
if (!tx->sta)
return TX_CONTINUE;
tx->sta->tx_packets++;
skb_queue_walk(&tx->skbs, skb) {
ac = skb_get_queue_mapping(skb);
tx->sta->tx_fragments++;
tx->sta->tx_bytes += skb->len;
tx->sta->tx_bytes[ac] += skb->len;
}
if (ac >= 0)
tx->sta->tx_packets[ac]++;
return TX_CONTINUE;
}

48
net/mac80211/util.c
View File

@ -453,7 +453,8 @@ void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local,
}
void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
enum queue_stop_reason reason)
unsigned long queues,
enum queue_stop_reason reason)
{
struct ieee80211_local *local = hw_to_local(hw);
unsigned long flags;
@ -461,7 +462,7 @@ void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
for (i = 0; i < hw->queues; i++)
for_each_set_bit(i, &queues, hw->queues)
__ieee80211_stop_queue(hw, i, reason);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
@ -469,7 +470,7 @@ void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
void ieee80211_stop_queues(struct ieee80211_hw *hw)
{
ieee80211_stop_queues_by_reason(hw,
ieee80211_stop_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_DRIVER);
}
EXPORT_SYMBOL(ieee80211_stop_queues);
@ -491,6 +492,7 @@ int ieee80211_queue_stopped(struct ieee80211_hw *hw, int queue)
EXPORT_SYMBOL(ieee80211_queue_stopped);
void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
unsigned long queues,
enum queue_stop_reason reason)
{
struct ieee80211_local *local = hw_to_local(hw);
@ -499,7 +501,7 @@ void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
for (i = 0; i < hw->queues; i++)
for_each_set_bit(i, &queues, hw->queues)
__ieee80211_wake_queue(hw, i, reason);
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
@ -507,10 +509,42 @@ void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
void ieee80211_wake_queues(struct ieee80211_hw *hw)
{
ieee80211_wake_queues_by_reason(hw, IEEE80211_QUEUE_STOP_REASON_DRIVER);
ieee80211_wake_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_DRIVER);
}
EXPORT_SYMBOL(ieee80211_wake_queues);
void ieee80211_flush_queues(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
u32 queues;
if (!local->ops->flush)
return;
if (sdata && local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) {
int ac;
queues = 0;
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
queues |= BIT(sdata->vif.hw_queue[ac]);
if (sdata->vif.cab_queue != IEEE80211_INVAL_HW_QUEUE)
queues |= BIT(sdata->vif.cab_queue);
} else {
/* all queues */
queues = BIT(local->hw.queues) - 1;
}
ieee80211_stop_queues_by_reason(&local->hw, IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_FLUSH);
drv_flush(local, queues, false);
ieee80211_wake_queues_by_reason(&local->hw, IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_FLUSH);
}
void ieee80211_iterate_active_interfaces(
struct ieee80211_hw *hw, u32 iter_flags,
void (*iterator)(void *data, u8 *mac,
@ -1651,8 +1685,8 @@ int ieee80211_reconfig(struct ieee80211_local *local)
mutex_unlock(&local->sta_mtx);
}
ieee80211_wake_queues_by_reason(hw,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
ieee80211_wake_queues_by_reason(hw, IEEE80211_MAX_QUEUE_MAP,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
/*
* If this is for hw restart things are still running.

4
net/wireless/core.c
View File

@ -1096,8 +1096,10 @@ static int __init cfg80211_init(void)
goto out_fail_reg;
cfg80211_wq = create_singlethread_workqueue("cfg80211");
if (!cfg80211_wq)
if (!cfg80211_wq) {
err = -ENOMEM;
goto out_fail_wq;
}
return 0;

2
net/wireless/sme.c
View File

@ -234,7 +234,7 @@ void cfg80211_conn_work(struct work_struct *work)
wdev_unlock(wdev);
continue;
}
if (wdev->sme_state != CFG80211_SME_CONNECTING) {
if (wdev->sme_state != CFG80211_SME_CONNECTING || !wdev->conn) {
wdev_unlock(wdev);
continue;
}