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-rw-r--r--net/mac80211/Kconfig8
-rw-r--r--net/mac80211/Makefile2
-rw-r--r--net/mac80211/cfg.c194
-rw-r--r--net/mac80211/debugfs.c12
-rw-r--r--net/mac80211/debugfs_key.c4
-rw-r--r--net/mac80211/debugfs_netdev.c117
-rw-r--r--net/mac80211/debugfs_sta.c84
-rw-r--r--net/mac80211/event.c5
-rw-r--r--net/mac80211/ht.c265
-rw-r--r--net/mac80211/ieee80211_i.h90
-rw-r--r--net/mac80211/iface.c54
-rw-r--r--net/mac80211/key.c10
-rw-r--r--net/mac80211/main.c284
-rw-r--r--net/mac80211/mesh.c4
-rw-r--r--net/mac80211/mesh.h5
-rw-r--r--net/mac80211/mesh_hwmp.c7
-rw-r--r--net/mac80211/mesh_plink.c49
-rw-r--r--net/mac80211/mlme.c606
-rw-r--r--net/mac80211/rate.c52
-rw-r--r--net/mac80211/rate.h11
-rw-r--r--net/mac80211/rc80211_minstrel.c109
-rw-r--r--net/mac80211/rc80211_minstrel.h2
-rw-r--r--net/mac80211/rc80211_pid.h3
-rw-r--r--net/mac80211/rc80211_pid_algo.c38
-rw-r--r--net/mac80211/rc80211_pid_debugfs.c5
-rw-r--r--net/mac80211/rx.c174
-rw-r--r--net/mac80211/scan.c24
-rw-r--r--net/mac80211/sta_info.c37
-rw-r--r--net/mac80211/sta_info.h45
-rw-r--r--net/mac80211/tkip.c10
-rw-r--r--net/mac80211/tx.c462
-rw-r--r--net/mac80211/util.c107
-rw-r--r--net/mac80211/wep.c33
-rw-r--r--net/mac80211/wep.h2
-rw-r--r--net/mac80211/wext.c257
-rw-r--r--net/mac80211/wme.c32
-rw-r--r--net/mac80211/wpa.c32
37 files changed, 1663 insertions, 1572 deletions
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 7f710a2..60c1616 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -16,20 +16,20 @@ menu "Rate control algorithm selection"
config MAC80211_RC_PID
bool "PID controller based rate control algorithm" if EMBEDDED
- default y
---help---
This option enables a TX rate control algorithm for
mac80211 that uses a PID controller to select the TX
rate.
config MAC80211_RC_MINSTREL
- bool "Minstrel"
+ bool "Minstrel" if EMBEDDED
+ default y
---help---
This option enables the 'minstrel' TX rate control algorithm
choice
prompt "Default rate control algorithm"
- default MAC80211_RC_DEFAULT_PID
+ default MAC80211_RC_DEFAULT_MINSTREL
---help---
This option selects the default rate control algorithm
mac80211 will use. Note that this default can still be
@@ -55,8 +55,8 @@ endchoice
config MAC80211_RC_DEFAULT
string
- default "pid" if MAC80211_RC_DEFAULT_PID
default "minstrel" if MAC80211_RC_DEFAULT_MINSTREL
+ default "pid" if MAC80211_RC_DEFAULT_PID
default ""
endmenu
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index 31cfd1f..7d4971a 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -46,3 +46,5 @@ rc80211_minstrel-$(CONFIG_MAC80211_DEBUGFS) += rc80211_minstrel_debugfs.o
mac80211-$(CONFIG_MAC80211_RC_PID) += $(rc80211_pid-y)
mac80211-$(CONFIG_MAC80211_RC_MINSTREL) += $(rc80211_minstrel-y)
+
+ccflags-y += -D__CHECK_ENDIAN__
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 855126a..9d4e4d8 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -17,13 +17,6 @@
#include "rate.h"
#include "mesh.h"
-struct ieee80211_hw *wiphy_to_hw(struct wiphy *wiphy)
-{
- struct ieee80211_local *local = wiphy_priv(wiphy);
- return &local->hw;
-}
-EXPORT_SYMBOL(wiphy_to_hw);
-
static bool nl80211_type_check(enum nl80211_iftype type)
{
switch (type) {
@@ -33,6 +26,8 @@ static bool nl80211_type_check(enum nl80211_iftype type)
#ifdef CONFIG_MAC80211_MESH
case NL80211_IFTYPE_MESH_POINT:
#endif
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_WDS:
return true;
default:
@@ -315,12 +310,35 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
sinfo->filled = STATION_INFO_INACTIVE_TIME |
STATION_INFO_RX_BYTES |
- STATION_INFO_TX_BYTES;
+ STATION_INFO_TX_BYTES |
+ STATION_INFO_TX_BITRATE;
sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
sinfo->rx_bytes = sta->rx_bytes;
sinfo->tx_bytes = sta->tx_bytes;
+ if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
+ sinfo->filled |= STATION_INFO_SIGNAL;
+ sinfo->signal = (s8)sta->last_signal;
+ }
+
+ sinfo->txrate.flags = 0;
+ if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
+ sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
+ if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+ sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
+ if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
+ sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
+
+ if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
+ struct ieee80211_supported_band *sband;
+ sband = sta->local->hw.wiphy->bands[
+ sta->local->hw.conf.channel->band];
+ sinfo->txrate.legacy =
+ sband->bitrates[sta->last_tx_rate.idx].bitrate;
+ } else
+ sinfo->txrate.mcs = sta->last_tx_rate.idx;
+
if (ieee80211_vif_is_mesh(&sdata->vif)) {
#ifdef CONFIG_MAC80211_MESH
sinfo->filled |= STATION_INFO_LLID |
@@ -401,8 +419,10 @@ static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
*/
if (params->interval) {
sdata->local->hw.conf.beacon_int = params->interval;
- if (ieee80211_hw_config(sdata->local))
- return -EINVAL;
+ err = ieee80211_hw_config(sdata->local,
+ IEEE80211_CONF_CHANGE_BEACON_INTERVAL);
+ if (err < 0)
+ return err;
/*
* We updated some parameter so if below bails out
* it's not an error.
@@ -589,6 +609,8 @@ static void sta_apply_parameters(struct ieee80211_local *local,
struct ieee80211_supported_band *sband;
struct ieee80211_sub_if_data *sdata = sta->sdata;
+ sband = local->hw.wiphy->bands[local->oper_channel->band];
+
/*
* FIXME: updating the flags is racy when this function is
* called from ieee80211_change_station(), this will
@@ -629,7 +651,6 @@ static void sta_apply_parameters(struct ieee80211_local *local,
if (params->supported_rates) {
rates = 0;
- sband = local->hw.wiphy->bands[local->oper_channel->band];
for (i = 0; i < params->supported_rates_len; i++) {
int rate = (params->supported_rates[i] & 0x7f) * 5;
@@ -641,10 +662,10 @@ static void sta_apply_parameters(struct ieee80211_local *local,
sta->sta.supp_rates[local->oper_channel->band] = rates;
}
- if (params->ht_capa) {
- ieee80211_ht_cap_ie_to_ht_info(params->ht_capa,
- &sta->sta.ht_info);
- }
+ if (params->ht_capa)
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
+ params->ht_capa,
+ &sta->sta.ht_cap);
if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
switch (params->plink_action) {
@@ -665,6 +686,7 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
struct sta_info *sta;
struct ieee80211_sub_if_data *sdata;
int err;
+ int layer2_update;
/* Prevent a race with changing the rate control algorithm */
if (!netif_running(dev))
@@ -695,17 +717,25 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
rate_control_rate_init(sta);
+ layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+ sdata->vif.type == NL80211_IFTYPE_AP;
+
rcu_read_lock();
err = sta_info_insert(sta);
if (err) {
/* STA has been freed */
+ if (err == -EEXIST && layer2_update) {
+ /* Need to update layer 2 devices on reassociation */
+ sta = sta_info_get(local, mac);
+ if (sta)
+ ieee80211_send_layer2_update(sta);
+ }
rcu_read_unlock();
return err;
}
- if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
- sdata->vif.type == NL80211_IFTYPE_AP)
+ if (layer2_update)
ieee80211_send_layer2_update(sta);
rcu_read_unlock();
@@ -957,6 +987,72 @@ static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
rcu_read_unlock();
return 0;
}
+
+static int ieee80211_get_mesh_params(struct wiphy *wiphy,
+ struct net_device *dev,
+ struct mesh_config *conf)
+{
+ struct ieee80211_sub_if_data *sdata;
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
+ return -ENOTSUPP;
+ memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
+ return 0;
+}
+
+static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
+{
+ return (mask >> (parm-1)) & 0x1;
+}
+
+static int ieee80211_set_mesh_params(struct wiphy *wiphy,
+ struct net_device *dev,
+ const struct mesh_config *nconf, u32 mask)
+{
+ struct mesh_config *conf;
+ struct ieee80211_sub_if_data *sdata;
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
+ return -ENOTSUPP;
+
+ /* Set the config options which we are interested in setting */
+ conf = &(sdata->u.mesh.mshcfg);
+ if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
+ conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
+ conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
+ conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
+ conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
+ if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
+ conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
+ if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
+ conf->dot11MeshTTL = nconf->dot11MeshTTL;
+ if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
+ conf->auto_open_plinks = nconf->auto_open_plinks;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
+ conf->dot11MeshHWMPmaxPREQretries =
+ nconf->dot11MeshHWMPmaxPREQretries;
+ if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
+ conf->path_refresh_time = nconf->path_refresh_time;
+ if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
+ conf->min_discovery_timeout = nconf->min_discovery_timeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
+ conf->dot11MeshHWMPactivePathTimeout =
+ nconf->dot11MeshHWMPactivePathTimeout;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
+ conf->dot11MeshHWMPpreqMinInterval =
+ nconf->dot11MeshHWMPpreqMinInterval;
+ if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
+ mask))
+ conf->dot11MeshHWMPnetDiameterTraversalTime =
+ nconf->dot11MeshHWMPnetDiameterTraversalTime;
+ return 0;
+}
+
#endif
static int ieee80211_change_bss(struct wiphy *wiphy,
@@ -972,25 +1068,79 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
return -EINVAL;
if (params->use_cts_prot >= 0) {
- sdata->bss_conf.use_cts_prot = params->use_cts_prot;
+ sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
changed |= BSS_CHANGED_ERP_CTS_PROT;
}
if (params->use_short_preamble >= 0) {
- sdata->bss_conf.use_short_preamble =
+ sdata->vif.bss_conf.use_short_preamble =
params->use_short_preamble;
changed |= BSS_CHANGED_ERP_PREAMBLE;
}
if (params->use_short_slot_time >= 0) {
- sdata->bss_conf.use_short_slot =
+ sdata->vif.bss_conf.use_short_slot =
params->use_short_slot_time;
changed |= BSS_CHANGED_ERP_SLOT;
}
+ if (params->basic_rates) {
+ int i, j;
+ u32 rates = 0;
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_supported_band *sband =
+ wiphy->bands[local->oper_channel->band];
+
+ for (i = 0; i < params->basic_rates_len; i++) {
+ int rate = (params->basic_rates[i] & 0x7f) * 5;
+ for (j = 0; j < sband->n_bitrates; j++) {
+ if (sband->bitrates[j].bitrate == rate)
+ rates |= BIT(j);
+ }
+ }
+ sdata->vif.bss_conf.basic_rates = rates;
+ changed |= BSS_CHANGED_BASIC_RATES;
+ }
+
ieee80211_bss_info_change_notify(sdata, changed);
return 0;
}
+static int ieee80211_set_txq_params(struct wiphy *wiphy,
+ struct ieee80211_txq_params *params)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+ struct ieee80211_tx_queue_params p;
+
+ if (!local->ops->conf_tx)
+ return -EOPNOTSUPP;
+
+ memset(&p, 0, sizeof(p));
+ p.aifs = params->aifs;
+ p.cw_max = params->cwmax;
+ p.cw_min = params->cwmin;
+ p.txop = params->txop;
+ if (local->ops->conf_tx(local_to_hw(local), params->queue, &p)) {
+ printk(KERN_DEBUG "%s: failed to set TX queue "
+ "parameters for queue %d\n", local->mdev->name,
+ params->queue);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int ieee80211_set_channel(struct wiphy *wiphy,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+
+ local->oper_channel = chan;
+ local->oper_channel_type = channel_type;
+
+ return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+}
+
struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
@@ -1013,6 +1163,10 @@ struct cfg80211_ops mac80211_config_ops = {
.change_mpath = ieee80211_change_mpath,
.get_mpath = ieee80211_get_mpath,
.dump_mpath = ieee80211_dump_mpath,
+ .set_mesh_params = ieee80211_set_mesh_params,
+ .get_mesh_params = ieee80211_get_mesh_params,
#endif
.change_bss = ieee80211_change_bss,
+ .set_txq_params = ieee80211_set_txq_params,
+ .set_channel = ieee80211_set_channel,
};
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 24ce544..2697a2f 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -47,18 +47,14 @@ static const struct file_operations name## _ops = { \
DEBUGFS_READONLY_FILE(frequency, 20, "%d",
local->hw.conf.channel->center_freq);
-DEBUGFS_READONLY_FILE(antenna_sel_tx, 20, "%d",
- local->hw.conf.antenna_sel_tx);
-DEBUGFS_READONLY_FILE(antenna_sel_rx, 20, "%d",
- local->hw.conf.antenna_sel_rx);
DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d",
local->rts_threshold);
DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d",
local->fragmentation_threshold);
DEBUGFS_READONLY_FILE(short_retry_limit, 20, "%d",
- local->short_retry_limit);
+ local->hw.conf.short_frame_max_tx_count);
DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d",
- local->long_retry_limit);
+ local->hw.conf.long_frame_max_tx_count);
DEBUGFS_READONLY_FILE(total_ps_buffered, 20, "%d",
local->total_ps_buffered);
DEBUGFS_READONLY_FILE(wep_iv, 20, "%#06x",
@@ -202,8 +198,6 @@ void debugfs_hw_add(struct ieee80211_local *local)
local->debugfs.keys = debugfs_create_dir("keys", phyd);
DEBUGFS_ADD(frequency);
- DEBUGFS_ADD(antenna_sel_tx);
- DEBUGFS_ADD(antenna_sel_rx);
DEBUGFS_ADD(rts_threshold);
DEBUGFS_ADD(fragmentation_threshold);
DEBUGFS_ADD(short_retry_limit);
@@ -258,8 +252,6 @@ void debugfs_hw_add(struct ieee80211_local *local)
void debugfs_hw_del(struct ieee80211_local *local)
{
DEBUGFS_DEL(frequency);
- DEBUGFS_DEL(antenna_sel_tx);
- DEBUGFS_DEL(antenna_sel_rx);
DEBUGFS_DEL(rts_threshold);
DEBUGFS_DEL(fragmentation_threshold);
DEBUGFS_DEL(short_retry_limit);
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index a3294d1..6424ac5 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -188,7 +188,6 @@ void ieee80211_debugfs_key_add(struct ieee80211_key *key)
{
static int keycount;
char buf[50];
- DECLARE_MAC_BUF(mac);
struct sta_info *sta;
if (!key->local->debugfs.keys)
@@ -206,8 +205,7 @@ void ieee80211_debugfs_key_add(struct ieee80211_key *key)
rcu_read_lock();
sta = rcu_dereference(key->sta);
if (sta)
- sprintf(buf, "../../stations/%s",
- print_mac(mac, sta->sta.addr));
+ sprintf(buf, "../../stations/%pM", sta->sta.addr);
rcu_read_unlock();
/* using sta as a boolean is fine outside RCU lock */
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 2ad504f..c542193 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -41,29 +41,6 @@ static ssize_t ieee80211_if_read(
return ret;
}
-#ifdef CONFIG_MAC80211_MESH
-static ssize_t ieee80211_if_write(
- struct ieee80211_sub_if_data *sdata,
- char const __user *userbuf,
- size_t count, loff_t *ppos,
- int (*format)(struct ieee80211_sub_if_data *, char *))
-{
- char buf[10];
- int buf_size;
-
- memset(buf, 0x00, sizeof(buf));
- buf_size = min(count, (sizeof(buf)-1));
- if (copy_from_user(buf, userbuf, buf_size))
- return count;
- read_lock(&dev_base_lock);
- if (sdata->dev->reg_state == NETREG_REGISTERED)
- (*format)(sdata, buf);
- read_unlock(&dev_base_lock);
-
- return count;
-}
-#endif
-
#define IEEE80211_IF_FMT(name, field, format_string) \
static ssize_t ieee80211_if_fmt_##name( \
const struct ieee80211_sub_if_data *sdata, char *buf, \
@@ -71,19 +48,6 @@ static ssize_t ieee80211_if_fmt_##name( \
{ \
return scnprintf(buf, buflen, format_string, sdata->field); \
}
-#define IEEE80211_IF_WFMT(name, field, type) \
-static int ieee80211_if_wfmt_##name( \
- struct ieee80211_sub_if_data *sdata, char *buf) \
-{ \
- unsigned long tmp; \
- char *endp; \
- \
- tmp = simple_strtoul(buf, &endp, 0); \
- if ((endp == buf) || ((type)tmp != tmp)) \
- return -EINVAL; \
- sdata->field = tmp; \
- return 0; \
-}
#define IEEE80211_IF_FMT_DEC(name, field) \
IEEE80211_IF_FMT(name, field, "%d\n")
#define IEEE80211_IF_FMT_HEX(name, field) \
@@ -104,8 +68,7 @@ static ssize_t ieee80211_if_fmt_##name( \
const struct ieee80211_sub_if_data *sdata, char *buf, \
int buflen) \
{ \
- DECLARE_MAC_BUF(mac); \
- return scnprintf(buf, buflen, "%s\n", print_mac(mac, sdata->field));\
+ return scnprintf(buf, buflen, "%pM\n", sdata->field); \
}
#define __IEEE80211_IF_FILE(name) \
@@ -126,34 +89,6 @@ static const struct file_operations name##_ops = { \
IEEE80211_IF_FMT_##format(name, field) \
__IEEE80211_IF_FILE(name)
-#define __IEEE80211_IF_WFILE(name) \
-static ssize_t ieee80211_if_read_##name(struct file *file, \
- char __user *userbuf, \
- size_t count, loff_t *ppos) \
-{ \
- return ieee80211_if_read(file->private_data, \
- userbuf, count, ppos, \
- ieee80211_if_fmt_##name); \
-} \
-static ssize_t ieee80211_if_write_##name(struct file *file, \
- const char __user *userbuf, \
- size_t count, loff_t *ppos) \
-{ \
- return ieee80211_if_write(file->private_data, \
- userbuf, count, ppos, \
- ieee80211_if_wfmt_##name); \
-} \
-static const struct file_operations name##_ops = { \
- .read = ieee80211_if_read_##name, \
- .write = ieee80211_if_write_##name, \
- .open = mac80211_open_file_generic, \
-}
-
-#define IEEE80211_IF_WFILE(name, field, format, type) \
- IEEE80211_IF_FMT_##format(name, field) \
- IEEE80211_IF_WFMT(name, field, type) \
- __IEEE80211_IF_WFILE(name)
-
/* common attributes */
IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
IEEE80211_IF_FILE(force_unicast_rateidx, force_unicast_rateidx, DEC);
@@ -184,7 +119,7 @@ static ssize_t ieee80211_if_fmt_flags(
sdata->u.sta.flags & IEEE80211_STA_AUTHENTICATED ? "AUTH\n" : "",
sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED ? "ASSOC\n" : "",
sdata->u.sta.flags & IEEE80211_STA_PROBEREQ_POLL ? "PROBEREQ POLL\n" : "",
- sdata->bss_conf.use_cts_prot ? "CTS prot\n" : "");
+ sdata->vif.bss_conf.use_cts_prot ? "CTS prot\n" : "");
}
__IEEE80211_IF_FILE(flags);
@@ -212,30 +147,30 @@ IEEE80211_IF_FILE(dropped_frames_no_route,
IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
/* Mesh parameters */
-IEEE80211_IF_WFILE(dot11MeshMaxRetries,
- u.mesh.mshcfg.dot11MeshMaxRetries, DEC, u8);
-IEEE80211_IF_WFILE(dot11MeshRetryTimeout,
- u.mesh.mshcfg.dot11MeshRetryTimeout, DEC, u16);
-IEEE80211_IF_WFILE(dot11MeshConfirmTimeout,
- u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC, u16);
-IEEE80211_IF_WFILE(dot11MeshHoldingTimeout,
- u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC, u16);
-IEEE80211_IF_WFILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC, u8);
-IEEE80211_IF_WFILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC, u8);
-IEEE80211_IF_WFILE(dot11MeshMaxPeerLinks,
- u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC, u16);
-IEEE80211_IF_WFILE(dot11MeshHWMPactivePathTimeout,
- u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC, u32);
-IEEE80211_IF_WFILE(dot11MeshHWMPpreqMinInterval,
- u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC, u16);
-IEEE80211_IF_WFILE(dot11MeshHWMPnetDiameterTraversalTime,
- u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC, u16);
-IEEE80211_IF_WFILE(dot11MeshHWMPmaxPREQretries,
- u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC, u8);
-IEEE80211_IF_WFILE(path_refresh_time,
- u.mesh.mshcfg.path_refresh_time, DEC, u32);
-IEEE80211_IF_WFILE(min_discovery_timeout,
- u.mesh.mshcfg.min_discovery_timeout, DEC, u16);
+IEEE80211_IF_FILE(dot11MeshMaxRetries,
+ u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
+IEEE80211_IF_FILE(dot11MeshRetryTimeout,
+ u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
+IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
+ u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
+IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
+ u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
+IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
+IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
+IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
+ u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
+IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
+ u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
+IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
+ u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
+IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
+ u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
+IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
+ u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
+IEEE80211_IF_FILE(path_refresh_time,
+ u.mesh.mshcfg.path_refresh_time, DEC);
+IEEE80211_IF_FILE(min_discovery_timeout,
+ u.mesh.mshcfg.min_discovery_timeout, DEC);
#endif
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index b85c4f2..a2fbe01 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -39,13 +39,6 @@ static const struct file_operations sta_ ##name## _ops = { \
.open = mac80211_open_file_generic, \
}
-#define STA_OPS_WR(name) \
-static const struct file_operations sta_ ##name## _ops = { \
- .read = sta_##name##_read, \
- .write = sta_##name##_write, \
- .open = mac80211_open_file_generic, \
-}
-
#define STA_FILE(name, field, format) \
STA_READ_##format(name, field) \
STA_OPS(name)
@@ -144,7 +137,7 @@ static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
p += scnprintf(p, sizeof(buf)+buf-p, "\n DTKN:");
for (i = 0; i < STA_TID_NUM; i++)
p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
- sta->ampdu_mlme.tid_state_rx[i]?
+ sta->ampdu_mlme.tid_state_rx[i] ?
sta->ampdu_mlme.tid_rx[i]->dialog_token : 0);
p += scnprintf(p, sizeof(buf)+buf-p, "\n TX :");
@@ -155,84 +148,20 @@ static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
p += scnprintf(p, sizeof(buf)+buf-p, "\n DTKN:");
for (i = 0; i < STA_TID_NUM; i++)
p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
- sta->ampdu_mlme.tid_state_tx[i]?
+ sta->ampdu_mlme.tid_state_tx[i] ?
sta->ampdu_mlme.tid_tx[i]->dialog_token : 0);
p += scnprintf(p, sizeof(buf)+buf-p, "\n SSN :");
for (i = 0; i < STA_TID_NUM; i++)
p += scnprintf(p, sizeof(buf)+buf-p, "%5d",
- sta->ampdu_mlme.tid_state_tx[i]?
+ sta->ampdu_mlme.tid_state_tx[i] ?
sta->ampdu_mlme.tid_tx[i]->ssn : 0);
p += scnprintf(p, sizeof(buf)+buf-p, "\n");
return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
}
-
-static ssize_t sta_agg_status_write(struct file *file,
- const char __user *user_buf, size_t count, loff_t *ppos)
-{
- struct sta_info *sta = file->private_data;
- struct ieee80211_local *local = sta->sdata->local;
- struct ieee80211_hw *hw = &local->hw;
- u8 *da = sta->sta.addr;
- static int tid_static_tx[16] = {0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0};
- static int tid_static_rx[16] = {1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1};
- char *endp;
- char buf[32];
- int buf_size, rs;
- unsigned int tid_num;
- char state[4];
-
- memset(buf, 0x00, sizeof(buf));
- buf_size = min(count, (sizeof(buf)-1));
- if (copy_from_user(buf, user_buf, buf_size))
- return -EFAULT;
-
- tid_num = simple_strtoul(buf, &endp, 0);
- if (endp == buf)
- return -EINVAL;
-
- if ((tid_num >= 100) && (tid_num <= 115)) {
- /* toggle Rx aggregation command */
- tid_num = tid_num - 100;
- if (tid_static_rx[tid_num] == 1) {
- strcpy(state, "off");
- ieee80211_sta_stop_rx_ba_session(sta->sdata, da, tid_num, 0,
- WLAN_REASON_QSTA_REQUIRE_SETUP);
- sta->ampdu_mlme.tid_state_rx[tid_num] |=
- HT_AGG_STATE_DEBUGFS_CTL;
- tid_static_rx[tid_num] = 0;
- } else {
- strcpy(state, "on ");
- sta->ampdu_mlme.tid_state_rx[tid_num] &=
- ~HT_AGG_STATE_DEBUGFS_CTL;
- tid_static_rx[tid_num] = 1;
- }
- printk(KERN_DEBUG "debugfs - try switching tid %u %s\n",
- tid_num, state);
- } else if ((tid_num >= 0) && (tid_num <= 15)) {
- /* toggle Tx aggregation command */
- if (tid_static_tx[tid_num] == 0) {
- strcpy(state, "on ");
- rs = ieee80211_start_tx_ba_session(hw, da, tid_num);
- if (rs == 0)
- tid_static_tx[tid_num] = 1;
- } else {
- strcpy(state, "off");
- rs = ieee80211_stop_tx_ba_session(hw, da, tid_num, 1);
- if (rs == 0)
- tid_static_tx[tid_num] = 0;
- }
- printk(KERN_DEBUG "debugfs - switching tid %u %s, return=%d\n",
- tid_num, state, rs);
- }
-
- return count;
-}
-STA_OPS_WR(agg_status);
+STA_OPS(agg_status);
#define DEBUGFS_ADD(name) \
sta->debugfs.name = debugfs_create_file(#name, 0400, \
@@ -246,15 +175,14 @@ STA_OPS_WR(agg_status);
void ieee80211_sta_debugfs_add(struct sta_info *sta)
{
struct dentry *stations_dir = sta->local->debugfs.stations;
- DECLARE_MAC_BUF(mbuf);
- u8 *mac;
+ u8 mac[3*ETH_ALEN];
sta->debugfs.add_has_run = true;
if (!stations_dir)
return;
- mac = print_mac(mbuf, sta->sta.addr);
+ snprintf(mac, sizeof(mac), "%pM", sta->sta.addr);
/*
* This might fail due to a race condition:
diff --git a/net/mac80211/event.c b/net/mac80211/event.c
index 8de60de..0d95561 100644
--- a/net/mac80211/event.c
+++ b/net/mac80211/event.c
@@ -21,14 +21,13 @@ void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int ke
{
union iwreq_data wrqu;
char *buf = kmalloc(128, GFP_ATOMIC);
- DECLARE_MAC_BUF(mac);
if (buf) {
/* TODO: needed parameters: count, key type, TSC */
sprintf(buf, "MLME-MICHAELMICFAILURE.indication("
- "keyid=%d %scast addr=%s)",
+ "keyid=%d %scast addr=%pM)",
keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni",
- print_mac(mac, hdr->addr2));
+ hdr->addr2);
memset(&wrqu, 0, sizeof(wrqu));
wrqu.data.length = strlen(buf);
wireless_send_event(sdata->dev, IWEVCUSTOM, &wrqu, buf);
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index dc7d9a3..5f510a1 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -20,50 +20,138 @@
#include "sta_info.h"
#include "wme.h"
-int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie,
- struct ieee80211_ht_info *ht_info)
+void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband,
+ struct ieee80211_ht_cap *ht_cap_ie,
+ struct ieee80211_sta_ht_cap *ht_cap)
{
+ u8 ampdu_info, tx_mcs_set_cap;
+ int i, max_tx_streams;
- if (ht_info == NULL)
- return -EINVAL;
+ BUG_ON(!ht_cap);
+
+ memset(ht_cap, 0, sizeof(*ht_cap));
+
+ if (!ht_cap_ie)
+ return;
+
+ ht_cap->ht_supported = true;
- memset(ht_info, 0, sizeof(*ht_info));
+ ht_cap->cap = le16_to_cpu(ht_cap_ie->cap_info) & sband->ht_cap.cap;
+ ht_cap->cap &= ~IEEE80211_HT_CAP_SM_PS;
+ ht_cap->cap |= sband->ht_cap.cap & IEEE80211_HT_CAP_SM_PS;
- if (ht_cap_ie) {
- u8 ampdu_info = ht_cap_ie->ampdu_params_info;
+ ampdu_info = ht_cap_ie->ampdu_params_info;
+ ht_cap->ampdu_factor =
+ ampdu_info & IEEE80211_HT_AMPDU_PARM_FACTOR;
+ ht_cap->ampdu_density =
+ (ampdu_info & IEEE80211_HT_AMPDU_PARM_DENSITY) >> 2;
- ht_info->ht_supported = 1;
- ht_info->cap = le16_to_cpu(ht_cap_ie->cap_info);
- ht_info->ampdu_factor =
- ampdu_info & IEEE80211_HT_CAP_AMPDU_FACTOR;
- ht_info->ampdu_density =
- (ampdu_info & IEEE80211_HT_CAP_AMPDU_DENSITY) >> 2;
- memcpy(ht_info->supp_mcs_set, ht_cap_ie->supp_mcs_set, 16);
- } else
- ht_info->ht_supported = 0;
+ /* own MCS TX capabilities */
+ tx_mcs_set_cap = sband->ht_cap.mcs.tx_params;
- return 0;
+ /* can we TX with MCS rates? */
+ if (!(tx_mcs_set_cap & IEEE80211_HT_MCS_TX_DEFINED))
+ return;
+
+ /* Counting from 0, therefore +1 */
+ if (tx_mcs_set_cap & IEEE80211_HT_MCS_TX_RX_DIFF)
+ max_tx_streams =
+ ((tx_mcs_set_cap & IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK)
+ >> IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT) + 1;
+ else
+ max_tx_streams = IEEE80211_HT_MCS_TX_MAX_STREAMS;
+
+ /*
+ * 802.11n D5.0 20.3.5 / 20.6 says:
+ * - indices 0 to 7 and 32 are single spatial stream
+ * - 8 to 31 are multiple spatial streams using equal modulation
+ * [8..15 for two streams, 16..23 for three and 24..31 for four]
+ * - remainder are multiple spatial streams using unequal modulation
+ */
+ for (i = 0; i < max_tx_streams; i++)
+ ht_cap->mcs.rx_mask[i] =
+ sband->ht_cap.mcs.rx_mask[i] & ht_cap_ie->mcs.rx_mask[i];
+
+ if (tx_mcs_set_cap & IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION)
+ for (i = IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE;
+ i < IEEE80211_HT_MCS_MASK_LEN; i++)
+ ht_cap->mcs.rx_mask[i] =
+ sband->ht_cap.mcs.rx_mask[i] &
+ ht_cap_ie->mcs.rx_mask[i];
+
+ /* handle MCS rate 32 too */
+ if (sband->ht_cap.mcs.rx_mask[32/8] & ht_cap_ie->mcs.rx_mask[32/8] & 1)
+ ht_cap->mcs.rx_mask[32/8] |= 1;
}
-int ieee80211_ht_addt_info_ie_to_ht_bss_info(
- struct ieee80211_ht_addt_info *ht_add_info_ie,
- struct ieee80211_ht_bss_info *bss_info)
+/*
+ * ieee80211_enable_ht should be called only after the operating band
+ * has been determined as ht configuration depends on the hw's
+ * HT abilities for a specific band.
+ */
+u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_ht_info *hti,
+ u16 ap_ht_cap_flags)
{
- if (bss_info == NULL)
- return -EINVAL;
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_supported_band *sband;
+ struct ieee80211_bss_ht_conf ht;
+ u32 changed = 0;
+ bool enable_ht = true, ht_changed;
+ enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
+
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+
+ memset(&ht, 0, sizeof(ht));
+
+ /* HT is not supported */
+ if (!sband->ht_cap.ht_supported)
+ enable_ht = false;
+
+ /* check that channel matches the right operating channel */
+ if (local->hw.conf.channel->center_freq !=
+ ieee80211_channel_to_frequency(hti->control_chan))
+ enable_ht = false;
+
+ if (enable_ht) {
+ channel_type = NL80211_CHAN_HT20;
+
+ if (!(ap_ht_cap_flags & IEEE80211_HT_CAP_40MHZ_INTOLERANT) &&
+ (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) &&
+ (hti->ht_param & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)) {
+ switch(hti->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
+ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
+ channel_type = NL80211_CHAN_HT40PLUS;
+ break;
+ case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
+ channel_type = NL80211_CHAN_HT40MINUS;
+ break;
+ }
+ }
+ }
+
+ ht_changed = local->hw.conf.ht.enabled != enable_ht ||
+ channel_type != local->hw.conf.ht.channel_type;
+
+ local->oper_channel_type = channel_type;
+ local->hw.conf.ht.enabled = enable_ht;
- memset(bss_info, 0, sizeof(*bss_info));
+ if (ht_changed)
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_HT);
- if (ht_add_info_ie) {
- u16 op_mode;
- op_mode = le16_to_cpu(ht_add_info_ie->operation_mode);
+ /* disable HT */
+ if (!enable_ht)
+ return 0;
- bss_info->primary_channel = ht_add_info_ie->control_chan;
- bss_info->bss_cap = ht_add_info_ie->ht_param;
- bss_info->bss_op_mode = (u8)(op_mode & 0xff);
+ ht.operation_mode = le16_to_cpu(hti->operation_mode);
+
+ /* if bss configuration changed store the new one */
+ if (memcmp(&sdata->vif.bss_conf.ht, &ht, sizeof(ht))) {
+ changed |= BSS_CHANGED_HT;
+ sdata->vif.bss_conf.ht = ht;
}
- return 0;
+ return changed;
}
static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata,
@@ -241,7 +329,6 @@ void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *r
struct ieee80211_hw *hw = &local->hw;
struct sta_info *sta;
int ret, i;
- DECLARE_MAC_BUF(mac);
rcu_read_lock();
@@ -269,8 +356,8 @@ void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *r
BUG_ON(!local->ops->ampdu_action);
#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Rx BA session stop requested for %s tid %u\n",
- print_mac(mac, ra), tid);
+ printk(KERN_DEBUG "Rx BA session stop requested for %pM tid %u\n",
+ ra, tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_STOP,
@@ -383,14 +470,13 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
u16 start_seq_num;
u8 *state;
int ret;
- DECLARE_MAC_BUF(mac);
- if (tid >= STA_TID_NUM)
+ if ((tid >= STA_TID_NUM) || !(hw->flags & IEEE80211_HW_AMPDU_AGGREGATION))
return -EINVAL;
#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Open BA session requested for %s tid %u\n",
- print_mac(mac, ra), tid);
+ printk(KERN_DEBUG "Open BA session requested for %pM tid %u\n",
+ ra, tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
rcu_read_lock();
@@ -442,17 +528,19 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
(unsigned long)&sta->timer_to_tid[tid];
init_timer(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
- /* create a new queue for this aggregation */
- ret = ieee80211_ht_agg_queue_add(local, sta, tid);
+ if (hw->ampdu_queues) {
+ /* create a new queue for this aggregation */
+ ret = ieee80211_ht_agg_queue_add(local, sta, tid);
- /* case no queue is available to aggregation
- * don't switch to aggregation */
- if (ret) {
+ /* case no queue is available to aggregation
+ * don't switch to aggregation */
+ if (ret) {
#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "BA request denied - queue unavailable for"
- " tid %d\n", tid);
+ printk(KERN_DEBUG "BA request denied - "
+ "queue unavailable for tid %d\n", tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
- goto err_unlock_queue;
+ goto err_unlock_queue;
+ }
}
sdata = sta->sdata;
@@ -471,7 +559,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
/* No need to requeue the packets in the agg queue, since we
* held the tx lock: no packet could be enqueued to the newly
* allocated queue */
- ieee80211_ht_agg_queue_remove(local, sta, tid, 0);
+ if (hw->ampdu_queues)
+ ieee80211_ht_agg_queue_remove(local, sta, tid, 0);
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "BA request denied - HW unavailable for"
" tid %d\n", tid);
@@ -481,7 +570,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
}
/* Will put all the packets in the new SW queue */
- ieee80211_requeue(local, ieee802_1d_to_ac[tid]);
+ if (hw->ampdu_queues)
+ ieee80211_requeue(local, ieee802_1d_to_ac[tid]);
spin_unlock_bh(&sta->lock);
/* send an addBA request */
@@ -524,7 +614,6 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw,
struct sta_info *sta;
u8 *state;
int ret = 0;
- DECLARE_MAC_BUF(mac);
if (tid >= STA_TID_NUM)
return -EINVAL;
@@ -546,11 +635,12 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw,
}
#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Tx BA session stop requested for %s tid %u\n",
- print_mac(mac, ra), tid);
+ printk(KERN_DEBUG "Tx BA session stop requested for %pM tid %u\n",
+ ra, tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
- ieee80211_stop_queue(hw, sta->tid_to_tx_q[tid]);
+ if (hw->ampdu_queues)
+ ieee80211_stop_queue(hw, sta->tid_to_tx_q[tid]);
*state = HT_AGG_STATE_REQ_STOP_BA_MSK |
(initiator << HT_AGG_STATE_INITIATOR_SHIFT);
@@ -563,7 +653,8 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw,
if (ret) {
WARN_ON(ret != -EBUSY);
*state = HT_AGG_STATE_OPERATIONAL;
- ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
+ if (hw->ampdu_queues)
+ ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
goto stop_BA_exit;
}
@@ -579,7 +670,6 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid)
struct ieee80211_local *local = hw_to_local(hw);
struct sta_info *sta;
u8 *state;
- DECLARE_MAC_BUF(mac);
if (tid >= STA_TID_NUM) {
#ifdef CONFIG_MAC80211_HT_DEBUG
@@ -594,8 +684,7 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid)
if (!sta) {
rcu_read_unlock();
#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Could not find station: %s\n",
- print_mac(mac, ra));
+ printk(KERN_DEBUG "Could not find station: %pM\n", ra);
#endif
return;
}
@@ -621,7 +710,8 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid)
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "Aggregation is on for tid %d \n", tid);
#endif
- ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
+ if (hw->ampdu_queues)
+ ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
}
spin_unlock_bh(&sta->lock);
rcu_read_unlock();
@@ -634,7 +724,6 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid)
struct sta_info *sta;
u8 *state;
int agg_queue;
- DECLARE_MAC_BUF(mac);
if (tid >= STA_TID_NUM) {
#ifdef CONFIG_MAC80211_HT_DEBUG
@@ -645,16 +734,15 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid)
}
#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Stopping Tx BA session for %s tid %d\n",
- print_mac(mac, ra), tid);
+ printk(KERN_DEBUG "Stopping Tx BA session for %pM tid %d\n",
+ ra, tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
rcu_read_lock();
sta = sta_info_get(local, ra);
if (!sta) {
#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Could not find station: %s\n",
- print_mac(mac, ra));
+ printk(KERN_DEBUG "Could not find station: %pM\n", ra);
#endif
rcu_read_unlock();
return;
@@ -677,16 +765,18 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid)
ieee80211_send_delba(sta->sdata, ra, tid,
WLAN_BACK_INITIATOR, WLAN_REASON_QSTA_NOT_USE);
- agg_queue = sta->tid_to_tx_q[tid];
-
- ieee80211_ht_agg_queue_remove(local, sta, tid, 1);
-
- /* We just requeued the all the frames that were in the
- * removed queue, and since we might miss a softirq we do
- * netif_schedule_queue. ieee80211_wake_queue is not used
- * here as this queue is not necessarily stopped
- */
- netif_schedule_queue(netdev_get_tx_queue(local->mdev, agg_queue));
+ if (hw->ampdu_queues) {
+ agg_queue = sta->tid_to_tx_q[tid];
+ ieee80211_ht_agg_queue_remove(local, sta, tid, 1);
+
+ /* We just requeued the all the frames that were in the
+ * removed queue, and since we might miss a softirq we do
+ * netif_schedule_queue. ieee80211_wake_queue is not used
+ * here as this queue is not necessarily stopped
+ */
+ netif_schedule_queue(netdev_get_tx_queue(local->mdev,
+ agg_queue));
+ }
spin_lock_bh(&sta->lock);
*state = HT_AGG_STATE_IDLE;
sta->ampdu_mlme.addba_req_num[tid] = 0;
@@ -783,7 +873,6 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
u16 capab, tid, timeout, ba_policy, buf_size, start_seq_num, status;
u8 dialog_token;
int ret = -EOPNOTSUPP;
- DECLARE_MAC_BUF(mac);
/* extract session parameters from addba request frame */
dialog_token = mgmt->u.action.u.addba_req.dialog_token;
@@ -801,15 +890,16 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
/* sanity check for incoming parameters:
* check if configuration can support the BA policy
* and if buffer size does not exceeds max value */
+ /* XXX: check own ht delayed BA capability?? */
if (((ba_policy != 1)
- && (!(conf->ht_conf.cap & IEEE80211_HT_CAP_DELAY_BA)))
+ && (!(sta->sta.ht_cap.cap & IEEE80211_HT_CAP_DELAY_BA)))
|| (buf_size > IEEE80211_MAX_AMPDU_BUF)) {
status = WLAN_STATUS_INVALID_QOS_PARAM;
#ifdef CONFIG_MAC80211_HT_DEBUG
if (net_ratelimit())
printk(KERN_DEBUG "AddBA Req with bad params from "
- "%s on tid %u. policy %d, buffer size %d\n",
- print_mac(mac, mgmt->sa), tid, ba_policy,
+ "%pM on tid %u. policy %d, buffer size %d\n",
+ mgmt->sa, tid, ba_policy,
buf_size);
#endif /* CONFIG_MAC80211_HT_DEBUG */
goto end_no_lock;
@@ -820,7 +910,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
sband = local->hw.wiphy->bands[conf->channel->band];
buf_size = IEEE80211_MIN_AMPDU_BUF;
- buf_size = buf_size << sband->ht_info.ampdu_factor;
+ buf_size = buf_size << sband->ht_cap.ampdu_factor;
}
@@ -831,8 +921,8 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
#ifdef CONFIG_MAC80211_HT_DEBUG
if (net_ratelimit())
printk(KERN_DEBUG "unexpected AddBA Req from "
- "%s on tid %u\n",
- print_mac(mac, mgmt->sa), tid);
+ "%pM on tid %u\n",
+ mgmt->sa, tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
goto end;
}
@@ -910,7 +1000,7 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
{
struct ieee80211_hw *hw = &local->hw;
u16 capab;
- u16 tid;
+ u16 tid, start_seq_num;
u8 *state;
capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab);
@@ -943,9 +1033,18 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
*state |= HT_ADDBA_RECEIVED_MSK;
sta->ampdu_mlme.addba_req_num[tid] = 0;
- if (*state == HT_AGG_STATE_OPERATIONAL)
+ if (*state == HT_AGG_STATE_OPERATIONAL &&
+ local->hw.ampdu_queues)
ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
+ if (local->ops->ampdu_action) {
+ (void)local->ops->ampdu_action(hw,
+ IEEE80211_AMPDU_TX_RESUME,
+ &sta->sta, tid, &start_seq_num);
+ }
+#ifdef CONFIG_MAC80211_HT_DEBUG
+ printk(KERN_DEBUG "Resuming TX aggregation for tid %d\n", tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
spin_unlock_bh(&sta->lock);
} else {
sta->ampdu_mlme.addba_req_num[tid]++;
@@ -964,7 +1063,6 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
u16 tid, params;
u16 initiator;
- DECLARE_MAC_BUF(mac);
params = le16_to_cpu(mgmt->u.action.u.delba.params);
tid = (params & IEEE80211_DELBA_PARAM_TID_MASK) >> 12;
@@ -972,9 +1070,8 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
#ifdef CONFIG_MAC80211_HT_DEBUG
if (net_ratelimit())
- printk(KERN_DEBUG "delba from %s (%s) tid %d reason code %d\n",
- print_mac(mac, mgmt->sa),
- initiator ? "initiator" : "recipient", tid,
+ printk(KERN_DEBUG "delba from %pM (%s) tid %d reason code %d\n",
+ mgmt->sa, initiator ? "initiator" : "recipient", tid,
mgmt->u.action.u.delba.reason_code);
#endif /* CONFIG_MAC80211_HT_DEBUG */
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 156e42a..f3eec989 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -23,6 +23,7 @@
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/etherdevice.h>
+#include <net/cfg80211.h>
#include <net/wireless.h>
#include <net/iw_handler.h>
#include <net/mac80211.h>
@@ -142,7 +143,6 @@ typedef unsigned __bitwise__ ieee80211_tx_result;
#define IEEE80211_TX_FRAGMENTED BIT(0)
#define IEEE80211_TX_UNICAST BIT(1)
#define IEEE80211_TX_PS_BUFFERED BIT(2)
-#define IEEE80211_TX_PROBE_LAST_FRAG BIT(3)
struct ieee80211_tx_data {
struct sk_buff *skb;
@@ -153,11 +153,6 @@ struct ieee80211_tx_data {
struct ieee80211_key *key;
struct ieee80211_channel *channel;
- s8 rate_idx;
- /* use this rate (if set) for last fragment; rate can
- * be set to lower rate for the first fragments, e.g.,
- * when using CTS protection with IEEE 802.11g. */
- s8 last_frag_rate_idx;
/* Extra fragments (in addition to the first fragment
* in skb) */
@@ -192,7 +187,6 @@ struct ieee80211_rx_data {
struct ieee80211_rx_status *status;
struct ieee80211_rate *rate;
- u16 ethertype;
unsigned int flags;
int sent_ps_buffered;
int queue;
@@ -203,9 +197,7 @@ struct ieee80211_rx_data {
struct ieee80211_tx_stored_packet {
struct sk_buff *skb;
struct sk_buff **extra_frag;
- s8 last_frag_rate_idx;
int num_extra_frag;
- bool last_frag_rate_ctrl_probe;
};
struct beacon_data {
@@ -219,9 +211,6 @@ struct ieee80211_if_ap {
struct list_head vlans;
- u8 ssid[IEEE80211_MAX_SSID_LEN];
- size_t ssid_len;
-
/* yes, this looks ugly, but guarantees that we can later use
* bitmap_empty :)
* NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */
@@ -255,26 +244,6 @@ struct mesh_preq_queue {
u8 flags;
};
-struct mesh_config {
- /* Timeouts in ms */
- /* Mesh plink management parameters */
- u16 dot11MeshRetryTimeout;
- u16 dot11MeshConfirmTimeout;
- u16 dot11MeshHoldingTimeout;
- u16 dot11MeshMaxPeerLinks;
- u8 dot11MeshMaxRetries;
- u8 dot11MeshTTL;
- bool auto_open_plinks;
- /* HWMP parameters */
- u8 dot11MeshHWMPmaxPREQretries;
- u32 path_refresh_time;
- u16 min_discovery_timeout;
- u32 dot11MeshHWMPactivePathTimeout;
- u16 dot11MeshHWMPpreqMinInterval;
- u16 dot11MeshHWMPnetDiameterTraversalTime;
-};
-
-
/* flags used in struct ieee80211_if_sta.flags */
#define IEEE80211_STA_SSID_SET BIT(0)
#define IEEE80211_STA_BSSID_SET BIT(1)
@@ -438,8 +407,7 @@ 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;
+ u16 sequence_number;
/*
* AP this belongs to: self in AP mode and
@@ -570,6 +538,11 @@ enum {
IEEE80211_ADDBA_MSG = 4,
};
+enum queue_stop_reason {
+ IEEE80211_QUEUE_STOP_REASON_DRIVER,
+ IEEE80211_QUEUE_STOP_REASON_PS,
+};
+
/* maximum number of hardware queues we support. */
#define QD_MAX_QUEUES (IEEE80211_MAX_AMPDU_QUEUES + IEEE80211_MAX_QUEUES)
@@ -586,7 +559,8 @@ struct ieee80211_local {
const struct ieee80211_ops *ops;
unsigned long queue_pool[BITS_TO_LONGS(QD_MAX_QUEUES)];
-
+ unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
+ spinlock_t queue_stop_reason_lock;
struct net_device *mdev; /* wmaster# - "master" 802.11 device */
int open_count;
int monitors, cooked_mntrs;
@@ -633,8 +607,6 @@ struct ieee80211_local {
int rts_threshold;
int fragmentation_threshold;
- int short_retry_limit; /* dot11ShortRetryLimit */
- int long_retry_limit; /* dot11LongRetryLimit */
struct crypto_blkcipher *wep_tx_tfm;
struct crypto_blkcipher *wep_rx_tfm;
@@ -659,6 +631,7 @@ struct ieee80211_local {
struct delayed_work scan_work;
struct ieee80211_sub_if_data *scan_sdata;
struct ieee80211_channel *oper_channel, *scan_channel;
+ enum nl80211_channel_type oper_channel_type;
u8 scan_ssid[IEEE80211_MAX_SSID_LEN];
size_t scan_ssid_len;
struct list_head bss_list;
@@ -722,13 +695,17 @@ struct ieee80211_local {
int wifi_wme_noack_test;
unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */
+ bool powersave;
+ int dynamic_ps_timeout;
+ struct work_struct dynamic_ps_enable_work;
+ struct work_struct dynamic_ps_disable_work;
+ struct timer_list dynamic_ps_timer;
+
#ifdef CONFIG_MAC80211_DEBUGFS
struct local_debugfsdentries {
struct dentry *rcdir;
struct dentry *rcname;
struct dentry *frequency;
- struct dentry *antenna_sel_tx;
- struct dentry *antenna_sel_rx;
struct dentry *rts_threshold;
struct dentry *fragmentation_threshold;
struct dentry *short_retry_limit;
@@ -817,7 +794,7 @@ struct ieee802_11_elems {
u8 *wmm_info;
u8 *wmm_param;
struct ieee80211_ht_cap *ht_cap_elem;
- struct ieee80211_ht_addt_info *ht_info_elem;
+ struct ieee80211_ht_info *ht_info_elem;
u8 *mesh_config;
u8 *mesh_id;
u8 *peer_link;
@@ -869,11 +846,6 @@ static inline struct ieee80211_hw *local_to_hw(
return &local->hw;
}
-struct sta_attribute {
- struct attribute attr;
- ssize_t (*show)(const struct sta_info *, char *buf);
- ssize_t (*store)(struct sta_info *, const char *buf, size_t count);
-};
static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
{
@@ -882,12 +854,9 @@ static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
}
-int ieee80211_hw_config(struct ieee80211_local *local);
+int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed);
void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
-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);
void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
u32 changed);
void ieee80211_configure_filter(struct ieee80211_local *local);
@@ -906,8 +875,7 @@ int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid);
void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta);
struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb, u8 *bssid,
- u8 *addr, u64 supp_rates);
+ u8 *bssid, u8 *addr, u64 supp_rates);
int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason);
int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason);
u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
@@ -968,11 +936,12 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev);
int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev);
/* HT */
-int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie,
- struct ieee80211_ht_info *ht_info);
-int ieee80211_ht_addt_info_ie_to_ht_bss_info(
- struct ieee80211_ht_addt_info *ht_add_info_ie,
- struct ieee80211_ht_bss_info *bss_info);
+void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband,
+ struct ieee80211_ht_cap *ht_cap_ie,
+ struct ieee80211_sta_ht_cap *ht_cap);
+u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_ht_info *hti,
+ u16 ap_ht_cap_flags);
void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn);
void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da,
@@ -1014,6 +983,15 @@ int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq);
u64 ieee80211_mandatory_rates(struct ieee80211_local *local,
enum ieee80211_band band);
+void ieee80211_dynamic_ps_enable_work(struct work_struct *work);
+void ieee80211_dynamic_ps_disable_work(struct work_struct *work);
+void ieee80211_dynamic_ps_timer(unsigned long data);
+
+void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
+ enum queue_stop_reason reason);
+void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
+ enum queue_stop_reason reason);
+
#ifdef CONFIG_MAC80211_NOINLINE
#define debug_noinline noinline
#else
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 8336fee..5abbc3f 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -65,7 +65,7 @@ static int ieee80211_open(struct net_device *dev)
struct ieee80211_if_init_conf conf;
u32 changed = 0;
int res;
- bool need_hw_reconfig = 0;
+ u32 hw_reconf_flags = 0;
u8 null_addr[ETH_ALEN] = {0};
/* fail early if user set an invalid address */
@@ -152,7 +152,8 @@ static int ieee80211_open(struct net_device *dev)
res = local->ops->start(local_to_hw(local));
if (res)
goto err_del_bss;
- need_hw_reconfig = 1;
+ /* we're brought up, everything changes */
+ hw_reconf_flags = ~0;
ieee80211_led_radio(local, local->hw.conf.radio_enabled);
}
@@ -198,8 +199,10 @@ static int ieee80211_open(struct net_device *dev)
/* must be before the call to ieee80211_configure_filter */
local->monitors++;
- if (local->monitors == 1)
+ if (local->monitors == 1) {
local->hw.conf.flags |= IEEE80211_CONF_RADIOTAP;
+ hw_reconf_flags |= IEEE80211_CONF_CHANGE_RADIOTAP;
+ }
if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
local->fif_fcsfail++;
@@ -226,8 +229,14 @@ static int ieee80211_open(struct net_device *dev)
if (res)
goto err_stop;
- if (ieee80211_vif_is_mesh(&sdata->vif))
+ if (ieee80211_vif_is_mesh(&sdata->vif)) {
+ local->fif_other_bss++;
+ netif_addr_lock_bh(local->mdev);
+ ieee80211_configure_filter(local);
+ netif_addr_unlock_bh(local->mdev);
+
ieee80211_start_mesh(sdata);
+ }
changed |= ieee80211_reset_erp_info(sdata);
ieee80211_bss_info_change_notify(sdata, changed);
ieee80211_enable_keys(sdata);
@@ -279,8 +288,8 @@ static int ieee80211_open(struct net_device *dev)
atomic_inc(&local->iff_promiscs);
local->open_count++;
- if (need_hw_reconfig) {
- ieee80211_hw_config(local);
+ if (hw_reconf_flags) {
+ ieee80211_hw_config(local, hw_reconf_flags);
/*
* set default queue parameters so drivers don't
* need to initialise the hardware if the hardware
@@ -322,6 +331,7 @@ static int ieee80211_stop(struct net_device *dev)
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_init_conf conf;
struct sta_info *sta;
+ u32 hw_reconf_flags = 0;
/*
* Stop TX on this interface first.
@@ -405,8 +415,10 @@ static int ieee80211_stop(struct net_device *dev)
}
local->monitors--;
- if (local->monitors == 0)
+ if (local->monitors == 0) {
local->hw.conf.flags &= ~IEEE80211_CONF_RADIOTAP;
+ hw_reconf_flags |= IEEE80211_CONF_CHANGE_RADIOTAP;
+ }
if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
local->fif_fcsfail--;
@@ -423,7 +435,11 @@ static int ieee80211_stop(struct net_device *dev)
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
- sdata->u.sta.state = IEEE80211_STA_MLME_DISABLED;
+ /* Announce that we are leaving the network. */
+ if (sdata->u.sta.state != IEEE80211_STA_MLME_DISABLED)
+ ieee80211_sta_deauthenticate(sdata,
+ WLAN_REASON_DEAUTH_LEAVING);
+
memset(sdata->u.sta.bssid, 0, ETH_ALEN);
del_timer_sync(&sdata->u.sta.timer);
/*
@@ -450,8 +466,15 @@ static int ieee80211_stop(struct net_device *dev)
/* fall through */
case NL80211_IFTYPE_MESH_POINT:
if (ieee80211_vif_is_mesh(&sdata->vif)) {
- /* allmulti is always set on mesh ifaces */
+ /* other_bss and allmulti are always set on mesh
+ * ifaces */
+ local->fif_other_bss--;
atomic_dec(&local->iff_allmultis);
+
+ netif_addr_lock_bh(local->mdev);
+ ieee80211_configure_filter(local);
+ netif_addr_unlock_bh(local->mdev);
+
ieee80211_stop_mesh(sdata);
}
/* fall through */
@@ -504,8 +527,15 @@ static int ieee80211_stop(struct net_device *dev)
tasklet_disable(&local->tx_pending_tasklet);
tasklet_disable(&local->tasklet);
+
+ /* no reconfiguring after stop! */
+ hw_reconf_flags = 0;
}
+ /* do after stop to avoid reconfiguring when we stop anyway */
+ if (hw_reconf_flags)
+ ieee80211_hw_config(local, hw_reconf_flags);
+
return 0;
}
@@ -668,6 +698,10 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
if (type == sdata->vif.type)
return 0;
+ /* Setting ad-hoc mode on non-IBSS channel is not supported. */
+ if (sdata->local->oper_channel->flags & IEEE80211_CHAN_NO_IBSS)
+ return -EOPNOTSUPP;
+
/*
* We could, here, on changes between IBSS/STA/MESH modes,
* invoke an MLME function instead that disassociates etc.
@@ -682,7 +716,7 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
ieee80211_setup_sdata(sdata, type);
/* reset some values that shouldn't be kept across type changes */
- sdata->bss_conf.basic_rates =
+ sdata->vif.bss_conf.basic_rates =
ieee80211_mandatory_rates(sdata->local,
sdata->local->hw.conf.channel->band);
sdata->drop_unencrypted = 0;
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index a5b06fe..999f7aa 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -132,7 +132,6 @@ static void ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
{
const u8 *addr;
int ret;
- DECLARE_MAC_BUF(mac);
assert_key_lock();
might_sleep();
@@ -154,16 +153,15 @@ static void ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
if (ret && ret != -ENOSPC && ret != -EOPNOTSUPP)
printk(KERN_ERR "mac80211-%s: failed to set key "
- "(%d, %s) to hardware (%d)\n",
+ "(%d, %pM) to hardware (%d)\n",
wiphy_name(key->local->hw.wiphy),
- key->conf.keyidx, print_mac(mac, addr), ret);
+ key->conf.keyidx, addr, ret);
}
static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key)
{
const u8 *addr;
int ret;
- DECLARE_MAC_BUF(mac);
assert_key_lock();
might_sleep();
@@ -186,9 +184,9 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key)
if (ret)
printk(KERN_ERR "mac80211-%s: failed to remove key "
- "(%d, %s) from hardware (%d)\n",
+ "(%d, %pM) from hardware (%d)\n",
wiphy_name(key->local->hw.wiphy),
- key->conf.keyidx, print_mac(mac, addr), ret);
+ key->conf.keyidx, addr, ret);
spin_lock(&todo_lock);
key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index ae62ad40..24b1436 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -41,6 +41,8 @@
*/
struct ieee80211_tx_status_rtap_hdr {
struct ieee80211_radiotap_header hdr;
+ u8 rate;
+ u8 padding_for_rate;
__le16 tx_flags;
u8 data_retries;
} __attribute__ ((packed));
@@ -169,19 +171,13 @@ int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed)
conf.changed = changed;
if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ sdata->vif.type == NL80211_IFTYPE_ADHOC)
conf.bssid = sdata->u.sta.bssid;
- conf.ssid = sdata->u.sta.ssid;
- conf.ssid_len = sdata->u.sta.ssid_len;
- } else if (sdata->vif.type == NL80211_IFTYPE_AP) {
+ else if (sdata->vif.type == NL80211_IFTYPE_AP)
conf.bssid = sdata->dev->dev_addr;
- conf.ssid = sdata->u.ap.ssid;
- conf.ssid_len = sdata->u.ap.ssid_len;
- } else if (ieee80211_vif_is_mesh(&sdata->vif)) {
+ 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;
@@ -190,136 +186,73 @@ int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed)
if (WARN_ON(!conf.bssid && (changed & IEEE80211_IFCC_BSSID)))
return -EINVAL;
- if (WARN_ON(!conf.ssid && (changed & IEEE80211_IFCC_SSID)))
- return -EINVAL;
-
return local->ops->config_interface(local_to_hw(local),
&sdata->vif, &conf);
}
-int ieee80211_hw_config(struct ieee80211_local *local)
+int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
{
struct ieee80211_channel *chan;
int ret = 0;
+ int power;
+ enum nl80211_channel_type channel_type;
+
+ might_sleep();
- if (local->sw_scanning)
+ if (local->sw_scanning) {
chan = local->scan_channel;
- else
+ channel_type = NL80211_CHAN_NO_HT;
+ } else {
chan = local->oper_channel;
+ channel_type = local->oper_channel_type;
+ }
- local->hw.conf.channel = chan;
+ if (chan != local->hw.conf.channel ||
+ channel_type != local->hw.conf.ht.channel_type) {
+ local->hw.conf.channel = chan;
+ local->hw.conf.ht.channel_type = channel_type;
+ switch (channel_type) {
+ case NL80211_CHAN_NO_HT:
+ local->hw.conf.ht.enabled = false;
+ break;
+ case NL80211_CHAN_HT20:
+ case NL80211_CHAN_HT40MINUS:
+ case NL80211_CHAN_HT40PLUS:
+ local->hw.conf.ht.enabled = true;
+ break;
+ }
+ changed |= IEEE80211_CONF_CHANGE_CHANNEL;
+ }
if (!local->hw.conf.power_level)
- local->hw.conf.power_level = chan->max_power;
+ power = chan->max_power;
else
- local->hw.conf.power_level = min(chan->max_power,
- local->hw.conf.power_level);
-
- local->hw.conf.max_antenna_gain = chan->max_antenna_gain;
-
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: HW CONFIG: freq=%d\n",
- wiphy_name(local->hw.wiphy), chan->center_freq);
-#endif
-
- if (local->open_count)
- ret = local->ops->config(local_to_hw(local), &local->hw.conf);
-
- return ret;
-}
-
-/**
- * ieee80211_handle_ht should be used only after legacy configuration
- * has been determined namely band, as ht configuration depends upon
- * the hardware's HT abilities for a _specific_ band.
- */
-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)
-{
- struct ieee80211_conf *conf = &local->hw.conf;
- struct ieee80211_supported_band *sband;
- struct ieee80211_ht_info ht_conf;
- struct ieee80211_ht_bss_info ht_bss_conf;
- u32 changed = 0;
- int i;
- u8 max_tx_streams = IEEE80211_HT_CAP_MAX_STREAMS;
- u8 tx_mcs_set_cap;
-
- sband = local->hw.wiphy->bands[conf->channel->band];
-
- memset(&ht_conf, 0, sizeof(struct ieee80211_ht_info));
- memset(&ht_bss_conf, 0, sizeof(struct ieee80211_ht_bss_info));
-
- /* HT is not supported */
- if (!sband->ht_info.ht_supported) {
- conf->flags &= ~IEEE80211_CONF_SUPPORT_HT_MODE;
- goto out;
+ power = min(chan->max_power, local->hw.conf.power_level);
+ if (local->hw.conf.power_level != power) {
+ changed |= IEEE80211_CONF_CHANGE_POWER;
+ local->hw.conf.power_level = power;
}
- /* disable HT */
- if (!enable_ht) {
- if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE)
- changed |= BSS_CHANGED_HT;
- conf->flags &= ~IEEE80211_CONF_SUPPORT_HT_MODE;
- conf->ht_conf.ht_supported = 0;
- goto out;
+ if (changed && local->open_count) {
+ ret = local->ops->config(local_to_hw(local), changed);
+ /*
+ * Goal:
+ * HW reconfiguration should never fail, the driver has told
+ * us what it can support so it should live up to that promise.
+ *
+ * Current status:
+ * rfkill is not integrated with mac80211 and a
+ * configuration command can thus fail if hardware rfkill
+ * is enabled
+ *
+ * FIXME: integrate rfkill with mac80211 and then add this
+ * WARN_ON() back
+ *
+ */
+ /* WARN_ON(ret); */
}
-
- if (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE))
- changed |= BSS_CHANGED_HT;
-
- conf->flags |= IEEE80211_CONF_SUPPORT_HT_MODE;
- ht_conf.ht_supported = 1;
-
- ht_conf.cap = req_ht_cap->cap & sband->ht_info.cap;
- ht_conf.cap &= ~(IEEE80211_HT_CAP_SM_PS);
- ht_conf.cap |= sband->ht_info.cap & IEEE80211_HT_CAP_SM_PS;
- ht_bss_conf.primary_channel = req_bss_cap->primary_channel;
- ht_bss_conf.bss_cap = req_bss_cap->bss_cap;
- ht_bss_conf.bss_op_mode = req_bss_cap->bss_op_mode;
-
- ht_conf.ampdu_factor = req_ht_cap->ampdu_factor;
- ht_conf.ampdu_density = req_ht_cap->ampdu_density;
-
- /* Bits 96-100 */
- tx_mcs_set_cap = sband->ht_info.supp_mcs_set[12];
-
- /* configure suppoerted Tx MCS according to requested MCS
- * (based in most cases on Rx capabilities of peer) and self
- * Tx MCS capabilities (as defined by low level driver HW
- * Tx capabilities) */
- if (!(tx_mcs_set_cap & IEEE80211_HT_CAP_MCS_TX_DEFINED))
- goto check_changed;
-
- /* Counting from 0 therfore + 1 */
- if (tx_mcs_set_cap & IEEE80211_HT_CAP_MCS_TX_RX_DIFF)
- max_tx_streams = ((tx_mcs_set_cap &
- IEEE80211_HT_CAP_MCS_TX_STREAMS) >> 2) + 1;
-
- for (i = 0; i < max_tx_streams; i++)
- ht_conf.supp_mcs_set[i] =
- sband->ht_info.supp_mcs_set[i] &
- req_ht_cap->supp_mcs_set[i];
-
- if (tx_mcs_set_cap & IEEE80211_HT_CAP_MCS_TX_UEQM)
- for (i = IEEE80211_SUPP_MCS_SET_UEQM;
- i < IEEE80211_SUPP_MCS_SET_LEN; i++)
- ht_conf.supp_mcs_set[i] =
- sband->ht_info.supp_mcs_set[i] &
- req_ht_cap->supp_mcs_set[i];
-
-check_changed:
- /* if bss configuration changed store the new one */
- if (memcmp(&conf->ht_conf, &ht_conf, sizeof(ht_conf)) ||
- memcmp(&conf->ht_bss_conf, &ht_bss_conf, sizeof(ht_bss_conf))) {
- changed |= BSS_CHANGED_HT;
- memcpy(&conf->ht_conf, &ht_conf, sizeof(ht_conf));
- memcpy(&conf->ht_bss_conf, &ht_bss_conf, sizeof(ht_bss_conf));
- }
-out:
- return changed;
+ return ret;
}
void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
@@ -336,15 +269,18 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
if (local->ops->bss_info_changed)
local->ops->bss_info_changed(local_to_hw(local),
&sdata->vif,
- &sdata->bss_conf,
+ &sdata->vif.bss_conf,
changed);
}
u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
{
- sdata->bss_conf.use_cts_prot = 0;
- sdata->bss_conf.use_short_preamble = 0;
- return BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_ERP_PREAMBLE;
+ sdata->vif.bss_conf.use_cts_prot = false;
+ sdata->vif.bss_conf.use_short_preamble = false;
+ sdata->vif.bss_conf.use_short_slot = false;
+ return BSS_CHANGED_ERP_CTS_PROT |
+ BSS_CHANGED_ERP_PREAMBLE |
+ BSS_CHANGED_ERP_SLOT;
}
void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
@@ -405,7 +341,8 @@ static void ieee80211_tasklet_handler(unsigned long data)
dev_kfree_skb(skb);
break ;
default:
- WARN_ON(1);
+ WARN(1, "mac80211: Packet is of unknown type %d\n",
+ skb->pkt_type);
dev_kfree_skb(skb);
break;
}
@@ -466,8 +403,6 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
struct sta_info *sta,
struct sk_buff *skb)
{
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-
sta->tx_filtered_count++;
/*
@@ -514,10 +449,9 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
return;
}
- if (!test_sta_flags(sta, WLAN_STA_PS) &&
- !(info->flags & IEEE80211_TX_CTL_REQUEUE)) {
+ if (!test_sta_flags(sta, WLAN_STA_PS) && !skb->requeue) {
/* Software retry the packet once */
- info->flags |= IEEE80211_TX_CTL_REQUEUE;
+ skb->requeue = 1;
ieee80211_remove_tx_extra(local, sta->key, skb);
dev_queue_xmit(skb);
return;
@@ -547,13 +481,28 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
struct ieee80211_sub_if_data *sdata;
struct net_device *prev_dev = NULL;
struct sta_info *sta;
+ int retry_count = -1, i;
+
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+ /* the HW cannot have attempted that rate */
+ if (i >= hw->max_rates) {
+ info->status.rates[i].idx = -1;
+ info->status.rates[i].count = 0;
+ }
+
+ retry_count += info->status.rates[i].count;
+ }
+ if (retry_count < 0)
+ retry_count = 0;
rcu_read_lock();
+ sband = local->hw.wiphy->bands[info->band];
+
sta = sta_info_get(local, hdr->addr1);
if (sta) {
- if (info->status.excessive_retries &&
+ if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
test_sta_flags(sta, WLAN_STA_PS)) {
/*
* The STA is in power save mode, so assume
@@ -584,12 +533,11 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
rcu_read_unlock();
return;
} else {
- if (info->status.excessive_retries)
+ if (!(info->flags & IEEE80211_TX_STAT_ACK))
sta->tx_retry_failed++;
- sta->tx_retry_count += info->status.retry_count;
+ sta->tx_retry_count += retry_count;
}
- sband = local->hw.wiphy->bands[info->band];
rate_control_tx_status(local, sband, sta, skb);
}
@@ -610,9 +558,9 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
local->dot11TransmittedFrameCount++;
if (is_multicast_ether_addr(hdr->addr1))
local->dot11MulticastTransmittedFrameCount++;
- if (info->status.retry_count > 0)
+ if (retry_count > 0)
local->dot11RetryCount++;
- if (info->status.retry_count > 1)
+ if (retry_count > 1)
local->dot11MultipleRetryCount++;
}
@@ -656,19 +604,30 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
rthdr->hdr.it_len = cpu_to_le16(sizeof(*rthdr));
rthdr->hdr.it_present =
cpu_to_le32((1 << IEEE80211_RADIOTAP_TX_FLAGS) |
- (1 << IEEE80211_RADIOTAP_DATA_RETRIES));
+ (1 << IEEE80211_RADIOTAP_DATA_RETRIES) |
+ (1 << IEEE80211_RADIOTAP_RATE));
if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
!is_multicast_ether_addr(hdr->addr1))
rthdr->tx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_FAIL);
- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) &&
- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT))
+ /*
+ * XXX: Once radiotap gets the bitmap reset thing the vendor
+ * extensions proposal contains, we can actually report
+ * the whole set of tries we did.
+ */
+ if ((info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
+ (info->status.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT))
rthdr->tx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_CTS);
- else if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS)
+ else if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
rthdr->tx_flags |= cpu_to_le16(IEEE80211_RADIOTAP_F_TX_RTS);
+ if (info->status.rates[0].idx >= 0 &&
+ !(info->status.rates[0].flags & IEEE80211_TX_RC_MCS))
+ rthdr->rate = sband->bitrates[
+ info->status.rates[0].idx].bitrate / 5;
- rthdr->data_retries = info->status.retry_count;
+ /* for now report the total retry_count */
+ rthdr->data_retries = retry_count;
/* XXX: is this sufficient for BPF? */
skb_set_mac_header(skb, 0);
@@ -753,20 +712,30 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
BUG_ON(!ops->configure_filter);
local->ops = ops;
- local->hw.queues = 1; /* default */
-
+ /* set up some defaults */
+ local->hw.queues = 1;
+ local->hw.max_rates = 1;
local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
- local->short_retry_limit = 7;
- local->long_retry_limit = 4;
- local->hw.conf.radio_enabled = 1;
+ local->hw.conf.long_frame_max_tx_count = 4;
+ local->hw.conf.short_frame_max_tx_count = 7;
+ local->hw.conf.radio_enabled = true;
INIT_LIST_HEAD(&local->interfaces);
spin_lock_init(&local->key_lock);
+ spin_lock_init(&local->queue_stop_reason_lock);
+
INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work);
+ INIT_WORK(&local->dynamic_ps_enable_work,
+ ieee80211_dynamic_ps_enable_work);
+ INIT_WORK(&local->dynamic_ps_disable_work,
+ ieee80211_dynamic_ps_disable_work);
+ setup_timer(&local->dynamic_ps_timer,
+ ieee80211_dynamic_ps_timer, (unsigned long) local);
+
sta_info_init(local);
tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending,
@@ -788,7 +757,6 @@ EXPORT_SYMBOL(ieee80211_alloc_hw);
int ieee80211_register_hw(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
- const char *name;
int result;
enum ieee80211_band band;
struct net_device *mdev;
@@ -853,8 +821,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
mdev->header_ops = &ieee80211_header_ops;
mdev->set_multicast_list = ieee80211_master_set_multicast_list;
- name = wiphy_dev(local->hw.wiphy)->driver->name;
- local->hw.workqueue = create_freezeable_workqueue(name);
+ local->hw.workqueue =
+ create_freezeable_workqueue(wiphy_name(local->hw.wiphy));
if (!local->hw.workqueue) {
result = -ENOMEM;
goto fail_workqueue;
@@ -921,12 +889,14 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->mdev->select_queue = ieee80211_select_queue;
- /* add one default STA interface */
- result = ieee80211_if_add(local, "wlan%d", NULL,
- NL80211_IFTYPE_STATION, NULL);
- if (result)
- printk(KERN_WARNING "%s: Failed to add default virtual iface\n",
- wiphy_name(local->hw.wiphy));
+ /* add one default STA interface if supported */
+ if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) {
+ result = ieee80211_if_add(local, "wlan%d", NULL,
+ NL80211_IFTYPE_STATION, NULL);
+ if (result)
+ printk(KERN_WARNING "%s: Failed to add default virtual iface\n",
+ wiphy_name(local->hw.wiphy));
+ }
rtnl_unlock();
@@ -1013,7 +983,7 @@ static int __init ieee80211_init(void)
BUILD_BUG_ON(sizeof(struct ieee80211_tx_info) > sizeof(skb->cb));
BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, driver_data) +
- IEEE80211_TX_INFO_DRIVER_DATA_SIZE > sizeof(skb->cb));
+ IEEE80211_TX_INFO_DRIVER_DATA_SIZE > sizeof(skb->cb));
ret = rc80211_minstrel_init();
if (ret)
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 8013277..82f568e 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -238,7 +238,7 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
pos = skb_put(skb, 21);
*pos++ = WLAN_EID_MESH_CONFIG;
- *pos++ = MESH_CFG_LEN;
+ *pos++ = IEEE80211_MESH_CONFIG_LEN;
/* Version */
*pos++ = 1;
@@ -473,7 +473,7 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
size_t len,
struct ieee80211_rx_status *rx_status)
{
- struct ieee80211_local *local= sdata->local;
+ struct ieee80211_local *local = sdata->local;
struct ieee802_11_elems elems;
struct ieee80211_channel *channel;
u64 supp_rates = 0;
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index e10471c..c197ab5 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -145,9 +145,6 @@ struct mesh_rmc {
};
-/* Mesh IEs constants */
-#define MESH_CFG_LEN 19
-
/*
* MESH_CFG_COMP_LEN Includes:
* - Active path selection protocol ID.
@@ -157,7 +154,7 @@ struct mesh_rmc {
* Does not include mesh capabilities, which may vary across nodes in the same
* mesh
*/
-#define MESH_CFG_CMP_LEN 17
+#define MESH_CFG_CMP_LEN (IEEE80211_MESH_CONFIG_LEN - 2)
/* Default values, timeouts in ms */
#define MESH_TTL 5
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 501c783..71fe609 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -218,12 +218,16 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
if (sta->fail_avg >= 100)
return MAX_METRIC;
+
+ if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
+ return MAX_METRIC;
+
err = (sta->fail_avg << ARITH_SHIFT) / 100;
/* bitrate is in units of 100 Kbps, while we need rate in units of
* 1Mbps. This will be corrected on tx_time computation.
*/
- rate = sband->bitrates[sta->last_txrate_idx].bitrate;
+ rate = sband->bitrates[sta->last_tx_rate.idx].bitrate;
tx_time = (device_constant + 10 * test_frame_len / rate);
estimated_retx = ((1 << (2 * ARITH_SHIFT)) / (s_unit - err));
result = (tx_time * estimated_retx) >> (2 * ARITH_SHIFT) ;
@@ -759,7 +763,6 @@ enddiscovery:
*
* @skb: 802.11 frame to be sent
* @sdata: network subif the frame will be sent through
- * @fwd_frame: true if this frame was originally from a different host
*
* Returns: 0 if the next hop was found. Nonzero otherwise. If no next hop is
* found, the function will start a path discovery and queue the frame so it is
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index faac101..929ba54 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -257,9 +257,6 @@ static void mesh_plink_timer(unsigned long data)
struct sta_info *sta;
__le16 llid, plid, reason;
struct ieee80211_sub_if_data *sdata;
-#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
- DECLARE_MAC_BUF(mac);
-#endif
/*
* This STA is valid because sta_info_destroy() will
@@ -274,8 +271,8 @@ static void mesh_plink_timer(unsigned long data)
spin_unlock_bh(&sta->lock);
return;
}
- mpl_dbg("Mesh plink timer for %s fired on state %d\n",
- print_mac(mac, sta->sta.addr), sta->plink_state);
+ mpl_dbg("Mesh plink timer for %pM fired on state %d\n",
+ sta->sta.addr, sta->plink_state);
reason = 0;
llid = sta->llid;
plid = sta->plid;
@@ -287,9 +284,9 @@ static void mesh_plink_timer(unsigned long data)
/* retry timer */
if (sta->plink_retries < dot11MeshMaxRetries(sdata)) {
u32 rand;
- mpl_dbg("Mesh plink for %s (retry, timeout): %d %d\n",
- print_mac(mac, sta->sta.addr),
- sta->plink_retries, sta->plink_timeout);
+ mpl_dbg("Mesh plink for %pM (retry, timeout): %d %d\n",
+ sta->sta.addr, sta->plink_retries,
+ sta->plink_timeout);
get_random_bytes(&rand, sizeof(u32));
sta->plink_timeout = sta->plink_timeout +
rand % sta->plink_timeout;
@@ -337,9 +334,6 @@ int mesh_plink_open(struct sta_info *sta)
{
__le16 llid;
struct ieee80211_sub_if_data *sdata = sta->sdata;
-#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
- DECLARE_MAC_BUF(mac);
-#endif
spin_lock_bh(&sta->lock);
get_random_bytes(&llid, 2);
@@ -351,8 +345,8 @@ int mesh_plink_open(struct sta_info *sta)
sta->plink_state = PLINK_OPN_SNT;
mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata));
spin_unlock_bh(&sta->lock);
- mpl_dbg("Mesh plink: starting establishment with %s\n",
- print_mac(mac, sta->sta.addr));
+ mpl_dbg("Mesh plink: starting establishment with %pM\n",
+ sta->sta.addr);
return mesh_plink_frame_tx(sdata, PLINK_OPEN,
sta->sta.addr, llid, 0, 0);
@@ -360,10 +354,6 @@ int mesh_plink_open(struct sta_info *sta)
void mesh_plink_block(struct sta_info *sta)
{
-#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
- DECLARE_MAC_BUF(mac);
-#endif
-
spin_lock_bh(&sta->lock);
__mesh_plink_deactivate(sta);
sta->plink_state = PLINK_BLOCKED;
@@ -374,12 +364,8 @@ int mesh_plink_close(struct sta_info *sta)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
__le16 llid, plid, reason;
-#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
- DECLARE_MAC_BUF(mac);
-#endif
- mpl_dbg("Mesh plink: closing link with %s\n",
- print_mac(mac, sta->sta.addr));
+ mpl_dbg("Mesh plink: closing link with %pM\n", sta->sta.addr);
spin_lock_bh(&sta->lock);
sta->reason = cpu_to_le16(MESH_LINK_CANCELLED);
reason = sta->reason;
@@ -417,9 +403,6 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
u8 ie_len;
u8 *baseaddr;
__le16 plid, llid, reason;
-#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
- DECLARE_MAC_BUF(mac);
-#endif
/* need action_code, aux */
if (len < IEEE80211_MIN_ACTION_SIZE + 3)
@@ -557,10 +540,10 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
}
}
- mpl_dbg("Mesh plink (peer, state, llid, plid, event): %s %d %d %d %d\n",
- print_mac(mac, mgmt->sa), sta->plink_state,
- le16_to_cpu(sta->llid), le16_to_cpu(sta->plid),
- event);
+ mpl_dbg("Mesh plink (peer, state, llid, plid, event): %pM %d %d %d %d\n",
+ mgmt->sa, sta->plink_state,
+ le16_to_cpu(sta->llid), le16_to_cpu(sta->plid),
+ event);
reason = 0;
switch (sta->plink_state) {
/* spin_unlock as soon as state is updated at each case */
@@ -660,8 +643,8 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
sta->plink_state = PLINK_ESTAB;
mesh_plink_inc_estab_count(sdata);
spin_unlock_bh(&sta->lock);
- mpl_dbg("Mesh plink with %s ESTABLISHED\n",
- print_mac(mac, sta->sta.addr));
+ mpl_dbg("Mesh plink with %pM ESTABLISHED\n",
+ sta->sta.addr);
break;
default:
spin_unlock_bh(&sta->lock);
@@ -693,8 +676,8 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
sta->plink_state = PLINK_ESTAB;
mesh_plink_inc_estab_count(sdata);
spin_unlock_bh(&sta->lock);
- mpl_dbg("Mesh plink with %s ESTABLISHED\n",
- print_mac(mac, sta->sta.addr));
+ mpl_dbg("Mesh plink with %pM ESTABLISHED\n",
+ sta->sta.addr);
mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->sta.addr, llid,
plid, 0);
break;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 409bb77..5ba721b 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -14,7 +14,6 @@
#include <linux/delay.h>
#include <linux/if_ether.h>
#include <linux/skbuff.h>
-#include <linux/netdevice.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <linux/random.h>
@@ -236,7 +235,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- u8 *pos, *ies, *ht_add_ie;
+ u8 *pos, *ies, *ht_ie;
int i, len, count, rates_len, supp_rates_len;
u16 capab;
struct ieee80211_bss *bss;
@@ -310,7 +309,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_ASSOC_REQ);
mgmt->u.assoc_req.capab_info = cpu_to_le16(capab);
- mgmt->u.reassoc_req.listen_interval =
+ mgmt->u.assoc_req.listen_interval =
cpu_to_le16(local->hw.conf.listen_interval);
}
@@ -393,24 +392,25 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
/* wmm support is a must to HT */
if (wmm && (ifsta->flags & IEEE80211_STA_WMM_ENABLED) &&
- sband->ht_info.ht_supported &&
- (ht_add_ie = ieee80211_bss_get_ie(bss, WLAN_EID_HT_EXTRA_INFO))) {
- struct ieee80211_ht_addt_info *ht_add_info =
- (struct ieee80211_ht_addt_info *)ht_add_ie;
- u16 cap = sband->ht_info.cap;
+ sband->ht_cap.ht_supported &&
+ (ht_ie = ieee80211_bss_get_ie(bss, WLAN_EID_HT_INFORMATION)) &&
+ ht_ie[1] >= sizeof(struct ieee80211_ht_info)) {
+ struct ieee80211_ht_info *ht_info =
+ (struct ieee80211_ht_info *)(ht_ie + 2);
+ u16 cap = sband->ht_cap.cap;
__le16 tmp;
u32 flags = local->hw.conf.channel->flags;
- switch (ht_add_info->ht_param & IEEE80211_HT_IE_CHA_SEC_OFFSET) {
- case IEEE80211_HT_IE_CHA_SEC_ABOVE:
+ switch (ht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
+ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
if (flags & IEEE80211_CHAN_NO_FAT_ABOVE) {
- cap &= ~IEEE80211_HT_CAP_SUP_WIDTH;
+ cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
cap &= ~IEEE80211_HT_CAP_SGI_40;
}
break;
- case IEEE80211_HT_IE_CHA_SEC_BELOW:
+ case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
if (flags & IEEE80211_CHAN_NO_FAT_BELOW) {
- cap &= ~IEEE80211_HT_CAP_SUP_WIDTH;
+ cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
cap &= ~IEEE80211_HT_CAP_SGI_40;
}
break;
@@ -424,9 +424,9 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
memcpy(pos, &tmp, sizeof(u16));
pos += sizeof(u16);
/* TODO: needs a define here for << 2 */
- *pos++ = sband->ht_info.ampdu_factor |
- (sband->ht_info.ampdu_density << 2);
- memcpy(pos, sband->ht_info.supp_mcs_set, 16);
+ *pos++ = sband->ht_cap.ampdu_factor |
+ (sband->ht_cap.ampdu_density << 2);
+ memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
}
kfree(ifsta->assocreq_ies);
@@ -568,25 +568,35 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
}
}
-static u32 ieee80211_handle_protect_preamb(struct ieee80211_sub_if_data *sdata,
- bool use_protection,
- bool use_short_preamble)
+static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
+ u16 capab, bool erp_valid, u8 erp)
{
- struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
+ struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
struct ieee80211_if_sta *ifsta = &sdata->u.sta;
- DECLARE_MAC_BUF(mac);
#endif
u32 changed = 0;
+ bool use_protection;
+ bool use_short_preamble;
+ bool use_short_slot;
+
+ if (erp_valid) {
+ use_protection = (erp & WLAN_ERP_USE_PROTECTION) != 0;
+ use_short_preamble = (erp & WLAN_ERP_BARKER_PREAMBLE) == 0;
+ } else {
+ use_protection = false;
+ use_short_preamble = !!(capab & WLAN_CAPABILITY_SHORT_PREAMBLE);
+ }
+
+ use_short_slot = !!(capab & WLAN_CAPABILITY_SHORT_SLOT_TIME);
if (use_protection != bss_conf->use_cts_prot) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: CTS protection %s (BSSID="
- "%s)\n",
+ printk(KERN_DEBUG "%s: CTS protection %s (BSSID=%pM)\n",
sdata->dev->name,
use_protection ? "enabled" : "disabled",
- print_mac(mac, ifsta->bssid));
+ ifsta->bssid);
}
#endif
bss_conf->use_cts_prot = use_protection;
@@ -597,40 +607,28 @@ static u32 ieee80211_handle_protect_preamb(struct ieee80211_sub_if_data *sdata,
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: switched to %s barker preamble"
- " (BSSID=%s)\n",
+ " (BSSID=%pM)\n",
sdata->dev->name,
use_short_preamble ? "short" : "long",
- print_mac(mac, ifsta->bssid));
+ ifsta->bssid);
}
#endif
bss_conf->use_short_preamble = use_short_preamble;
changed |= BSS_CHANGED_ERP_PREAMBLE;
}
- return changed;
-}
-
-static u32 ieee80211_handle_erp_ie(struct ieee80211_sub_if_data *sdata,
- u8 erp_value)
-{
- bool use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
- bool use_short_preamble = (erp_value & WLAN_ERP_BARKER_PREAMBLE) == 0;
-
- return ieee80211_handle_protect_preamb(sdata,
- use_protection, use_short_preamble);
-}
-
-static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_bss *bss)
-{
- u32 changed = 0;
-
- if (bss->has_erp_value)
- changed |= ieee80211_handle_erp_ie(sdata, bss->erp_value);
- else {
- u16 capab = bss->capability;
- changed |= ieee80211_handle_protect_preamb(sdata, false,
- (capab & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0);
+ if (use_short_slot != bss_conf->use_short_slot) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ if (net_ratelimit()) {
+ printk(KERN_DEBUG "%s: switched to %s slot"
+ " (BSSID=%s)\n",
+ sdata->dev->name,
+ use_short_slot ? "short" : "long",
+ ifsta->bssid);
+ }
+#endif
+ bss_conf->use_short_slot = use_short_slot;
+ changed |= BSS_CHANGED_ERP_SLOT;
}
return changed;
@@ -701,14 +699,15 @@ static void ieee80211_sta_send_associnfo(struct ieee80211_sub_if_data *sdata,
static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
+ struct ieee80211_if_sta *ifsta,
+ u32 bss_info_changed)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_conf *conf = &local_to_hw(local)->conf;
- u32 changed = BSS_CHANGED_ASSOC;
struct ieee80211_bss *bss;
+ bss_info_changed |= BSS_CHANGED_ASSOC;
ifsta->flags |= IEEE80211_STA_ASSOCIATED;
if (sdata->vif.type != NL80211_IFTYPE_STATION)
@@ -719,22 +718,16 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
ifsta->ssid, ifsta->ssid_len);
if (bss) {
/* set timing information */
- sdata->bss_conf.beacon_int = bss->beacon_int;
- sdata->bss_conf.timestamp = bss->timestamp;
- sdata->bss_conf.dtim_period = bss->dtim_period;
+ sdata->vif.bss_conf.beacon_int = bss->beacon_int;
+ sdata->vif.bss_conf.timestamp = bss->timestamp;
+ sdata->vif.bss_conf.dtim_period = bss->dtim_period;
- changed |= ieee80211_handle_bss_capability(sdata, bss);
+ bss_info_changed |= ieee80211_handle_bss_capability(sdata,
+ bss->capability, bss->has_erp_value, bss->erp_value);
ieee80211_rx_bss_put(local, bss);
}
- if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
- changed |= BSS_CHANGED_HT;
- sdata->bss_conf.assoc_ht = 1;
- sdata->bss_conf.ht_conf = &conf->ht_conf;
- sdata->bss_conf.ht_bss_conf = &conf->ht_bss_conf;
- }
-
ifsta->flags |= IEEE80211_STA_PREV_BSSID_SET;
memcpy(ifsta->prev_bssid, sdata->u.sta.bssid, ETH_ALEN);
ieee80211_sta_send_associnfo(sdata, ifsta);
@@ -742,14 +735,25 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
ifsta->last_probe = jiffies;
ieee80211_led_assoc(local, 1);
- sdata->bss_conf.assoc = 1;
+ sdata->vif.bss_conf.assoc = 1;
/*
* For now just always ask the driver to update the basic rateset
* when we have associated, we aren't checking whether it actually
* changed or not.
*/
- changed |= BSS_CHANGED_BASIC_RATES;
- ieee80211_bss_info_change_notify(sdata, changed);
+ bss_info_changed |= BSS_CHANGED_BASIC_RATES;
+ ieee80211_bss_info_change_notify(sdata, bss_info_changed);
+
+ if (local->powersave) {
+ if (local->dynamic_ps_timeout > 0)
+ mod_timer(&local->dynamic_ps_timer, jiffies +
+ msecs_to_jiffies(local->dynamic_ps_timeout));
+ else {
+ conf->flags |= IEEE80211_CONF_PS;
+ ieee80211_hw_config(local,
+ IEEE80211_CONF_CHANGE_PS);
+ }
+ }
netif_tx_start_all_queues(sdata->dev);
netif_carrier_on(sdata->dev);
@@ -760,18 +764,17 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
static void ieee80211_direct_probe(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta)
{
- DECLARE_MAC_BUF(mac);
-
ifsta->direct_probe_tries++;
if (ifsta->direct_probe_tries > IEEE80211_AUTH_MAX_TRIES) {
- printk(KERN_DEBUG "%s: direct probe to AP %s timed out\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ printk(KERN_DEBUG "%s: direct probe to AP %pM timed out\n",
+ sdata->dev->name, ifsta->bssid);
ifsta->state = IEEE80211_STA_MLME_DISABLED;
+ ieee80211_sta_send_apinfo(sdata, ifsta);
return;
}
- printk(KERN_DEBUG "%s: direct probe to AP %s try %d\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid),
+ printk(KERN_DEBUG "%s: direct probe to AP %pM try %d\n",
+ sdata->dev->name, ifsta->bssid,
ifsta->direct_probe_tries);
ifsta->state = IEEE80211_STA_MLME_DIRECT_PROBE;
@@ -791,33 +794,36 @@ static void ieee80211_direct_probe(struct ieee80211_sub_if_data *sdata,
static void ieee80211_authenticate(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta)
{
- DECLARE_MAC_BUF(mac);
-
ifsta->auth_tries++;
if (ifsta->auth_tries > IEEE80211_AUTH_MAX_TRIES) {
- printk(KERN_DEBUG "%s: authentication with AP %s"
+ printk(KERN_DEBUG "%s: authentication with AP %pM"
" timed out\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ sdata->dev->name, ifsta->bssid);
ifsta->state = IEEE80211_STA_MLME_DISABLED;
+ ieee80211_sta_send_apinfo(sdata, ifsta);
return;
}
ifsta->state = IEEE80211_STA_MLME_AUTHENTICATE;
- printk(KERN_DEBUG "%s: authenticate with AP %s\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ printk(KERN_DEBUG "%s: authenticate with AP %pM\n",
+ sdata->dev->name, ifsta->bssid);
ieee80211_send_auth(sdata, ifsta, 1, NULL, 0, 0);
mod_timer(&ifsta->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
}
+/*
+ * The disassoc 'reason' argument can be either our own reason
+ * if self disconnected or a reason code from the AP.
+ */
static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta, bool deauth,
bool self_disconnected, u16 reason)
{
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
- u32 changed = BSS_CHANGED_ASSOC;
+ u32 changed = 0, config_changed = 0;
rcu_read_lock();
@@ -851,21 +857,40 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
changed |= ieee80211_reset_erp_info(sdata);
- if (sdata->bss_conf.assoc_ht)
- changed |= BSS_CHANGED_HT;
-
- sdata->bss_conf.assoc_ht = 0;
- sdata->bss_conf.ht_conf = NULL;
- sdata->bss_conf.ht_bss_conf = NULL;
-
ieee80211_led_assoc(local, 0);
- sdata->bss_conf.assoc = 0;
+ changed |= BSS_CHANGED_ASSOC;
+ sdata->vif.bss_conf.assoc = false;
ieee80211_sta_send_apinfo(sdata, ifsta);
- if (self_disconnected)
+ if (self_disconnected || reason == WLAN_REASON_DISASSOC_STA_HAS_LEFT)
ifsta->state = IEEE80211_STA_MLME_DISABLED;
+ rcu_read_unlock();
+
+ local->hw.conf.ht.enabled = false;
+ local->oper_channel_type = NL80211_CHAN_NO_HT;
+ config_changed |= IEEE80211_CONF_CHANGE_HT;
+
+ del_timer_sync(&local->dynamic_ps_timer);
+ cancel_work_sync(&local->dynamic_ps_enable_work);
+
+ if (local->hw.conf.flags & IEEE80211_CONF_PS) {
+ local->hw.conf.flags &= ~IEEE80211_CONF_PS;
+ config_changed |= IEEE80211_CONF_CHANGE_PS;
+ }
+
+ ieee80211_hw_config(local, config_changed);
+ ieee80211_bss_info_change_notify(sdata, changed);
+
+ rcu_read_lock();
+
+ sta = sta_info_get(local, ifsta->bssid);
+ if (!sta) {
+ rcu_read_unlock();
+ return;
+ }
+
sta_info_unlink(&sta);
rcu_read_unlock();
@@ -914,20 +939,19 @@ static int ieee80211_privacy_mismatch(struct ieee80211_sub_if_data *sdata,
static void ieee80211_associate(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta)
{
- DECLARE_MAC_BUF(mac);
-
ifsta->assoc_tries++;
if (ifsta->assoc_tries > IEEE80211_ASSOC_MAX_TRIES) {
- printk(KERN_DEBUG "%s: association with AP %s"
+ printk(KERN_DEBUG "%s: association with AP %pM"
" timed out\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ sdata->dev->name, ifsta->bssid);
ifsta->state = IEEE80211_STA_MLME_DISABLED;
+ ieee80211_sta_send_apinfo(sdata, ifsta);
return;
}
ifsta->state = IEEE80211_STA_MLME_ASSOCIATE;
- printk(KERN_DEBUG "%s: associate with AP %s\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ printk(KERN_DEBUG "%s: associate with AP %pM\n",
+ sdata->dev->name, ifsta->bssid);
if (ieee80211_privacy_mismatch(sdata, ifsta)) {
printk(KERN_DEBUG "%s: mismatch in privacy configuration and "
"mixed-cell disabled - abort association\n", sdata->dev->name);
@@ -947,7 +971,6 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
int disassoc;
- DECLARE_MAC_BUF(mac);
/* TODO: start monitoring current AP signal quality and number of
* missed beacons. Scan other channels every now and then and search
@@ -960,8 +983,8 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata,
sta = sta_info_get(local, ifsta->bssid);
if (!sta) {
- printk(KERN_DEBUG "%s: No STA entry for own AP %s\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ printk(KERN_DEBUG "%s: No STA entry for own AP %pM\n",
+ sdata->dev->name, ifsta->bssid);
disassoc = 1;
} else {
disassoc = 0;
@@ -969,9 +992,9 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata,
sta->last_rx + IEEE80211_MONITORING_INTERVAL)) {
if (ifsta->flags & IEEE80211_STA_PROBEREQ_POLL) {
printk(KERN_DEBUG "%s: No ProbeResp from "
- "current AP %s - assume out of "
+ "current AP %pM - assume out of "
"range\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ sdata->dev->name, ifsta->bssid);
disassoc = 1;
} else
ieee80211_send_probe_req(sdata, ifsta->bssid,
@@ -1032,7 +1055,6 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
size_t len)
{
u16 auth_alg, auth_transaction, status_code;
- DECLARE_MAC_BUF(mac);
if (ifsta->state != IEEE80211_STA_MLME_AUTHENTICATE &&
sdata->vif.type != NL80211_IFTYPE_ADHOC)
@@ -1125,7 +1147,6 @@ static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
size_t len)
{
u16 reason_code;
- DECLARE_MAC_BUF(mac);
if (len < 24 + 2)
return;
@@ -1136,7 +1157,8 @@ static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
if (ifsta->flags & IEEE80211_STA_AUTHENTICATED)
- printk(KERN_DEBUG "%s: deauthenticated\n", sdata->dev->name);
+ printk(KERN_DEBUG "%s: deauthenticated (Reason: %u)\n",
+ sdata->dev->name, reason_code);
if (ifsta->state == IEEE80211_STA_MLME_AUTHENTICATE ||
ifsta->state == IEEE80211_STA_MLME_ASSOCIATE ||
@@ -1157,7 +1179,6 @@ static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
size_t len)
{
u16 reason_code;
- DECLARE_MAC_BUF(mac);
if (len < 24 + 2)
return;
@@ -1168,7 +1189,8 @@ static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
if (ifsta->flags & IEEE80211_STA_ASSOCIATED)
- printk(KERN_DEBUG "%s: disassociated\n", sdata->dev->name);
+ printk(KERN_DEBUG "%s: disassociated (Reason: %u)\n",
+ sdata->dev->name, reason_code);
if (ifsta->state == IEEE80211_STA_MLME_ASSOCIATED) {
ifsta->state = IEEE80211_STA_MLME_ASSOCIATE;
@@ -1176,7 +1198,7 @@ static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
IEEE80211_RETRY_AUTH_INTERVAL);
}
- ieee80211_set_disassoc(sdata, ifsta, false, false, 0);
+ ieee80211_set_disassoc(sdata, ifsta, false, false, reason_code);
}
@@ -1192,11 +1214,12 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
u64 rates, basic_rates;
u16 capab_info, status_code, aid;
struct ieee802_11_elems elems;
- struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
+ struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
u8 *pos;
+ u32 changed = 0;
int i, j;
- DECLARE_MAC_BUF(mac);
- bool have_higher_than_11mbit = false;
+ bool have_higher_than_11mbit = false, newsta = false;
+ u16 ap_ht_cap_flags;
/* AssocResp and ReassocResp have identical structure, so process both
* of them in this function. */
@@ -1214,9 +1237,9 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
aid = le16_to_cpu(mgmt->u.assoc_resp.aid);
- printk(KERN_DEBUG "%s: RX %sssocResp from %s (capab=0x%x "
+ printk(KERN_DEBUG "%s: RX %sssocResp from %pM (capab=0x%x "
"status=%d aid=%d)\n",
- sdata->dev->name, reassoc ? "Rea" : "A", print_mac(mac, mgmt->sa),
+ sdata->dev->name, reassoc ? "Rea" : "A", mgmt->sa,
capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14))));
if (status_code != WLAN_STATUS_SUCCESS) {
@@ -1259,7 +1282,8 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
sta = sta_info_get(local, ifsta->bssid);
if (!sta) {
struct ieee80211_bss *bss;
- int err;
+
+ newsta = true;
sta = sta_info_alloc(sdata, ifsta->bssid, GFP_ATOMIC);
if (!sta) {
@@ -1278,13 +1302,6 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
ieee80211_rx_bss_put(local, bss);
}
- err = sta_info_insert(sta);
- if (err) {
- printk(KERN_DEBUG "%s: failed to insert STA entry for"
- " the AP (error %d)\n", sdata->dev->name, err);
- rcu_read_unlock();
- return;
- }
/* update new sta with its last rx activity */
sta->last_rx = jiffies;
}
@@ -1308,34 +1325,40 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
for (i = 0; i < elems.supp_rates_len; i++) {
int rate = (elems.supp_rates[i] & 0x7f) * 5;
+ bool is_basic = !!(elems.supp_rates[i] & 0x80);
if (rate > 110)
have_higher_than_11mbit = true;
for (j = 0; j < sband->n_bitrates; j++) {
- if (sband->bitrates[j].bitrate == rate)
+ if (sband->bitrates[j].bitrate == rate) {
rates |= BIT(j);
- if (elems.supp_rates[i] & 0x80)
- basic_rates |= BIT(j);
+ if (is_basic)
+ basic_rates |= BIT(j);
+ break;
+ }
}
}
for (i = 0; i < elems.ext_supp_rates_len; i++) {
int rate = (elems.ext_supp_rates[i] & 0x7f) * 5;
+ bool is_basic = !!(elems.supp_rates[i] & 0x80);
if (rate > 110)
have_higher_than_11mbit = true;
for (j = 0; j < sband->n_bitrates; j++) {
- if (sband->bitrates[j].bitrate == rate)
+ if (sband->bitrates[j].bitrate == rate) {
rates |= BIT(j);
- if (elems.ext_supp_rates[i] & 0x80)
- basic_rates |= BIT(j);
+ if (is_basic)
+ basic_rates |= BIT(j);
+ break;
+ }
}
}
sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
- sdata->bss_conf.basic_rates = basic_rates;
+ sdata->vif.bss_conf.basic_rates = basic_rates;
/* cf. IEEE 802.11 9.2.12 */
if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
@@ -1344,31 +1367,43 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
else
sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
- if (elems.ht_cap_elem && elems.ht_info_elem && elems.wmm_param &&
- (ifsta->flags & IEEE80211_STA_WMM_ENABLED)) {
- struct ieee80211_ht_bss_info bss_info;
- ieee80211_ht_cap_ie_to_ht_info(
- elems.ht_cap_elem, &sta->sta.ht_info);
- ieee80211_ht_addt_info_ie_to_ht_bss_info(
- elems.ht_info_elem, &bss_info);
- ieee80211_handle_ht(local, 1, &sta->sta.ht_info, &bss_info);
- }
+ if (elems.ht_cap_elem)
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
+ elems.ht_cap_elem, &sta->sta.ht_cap);
+
+ ap_ht_cap_flags = sta->sta.ht_cap.cap;
rate_control_rate_init(sta);
- if (elems.wmm_param) {
+ if (elems.wmm_param)
set_sta_flags(sta, WLAN_STA_WME);
- rcu_read_unlock();
+
+ if (newsta) {
+ int err = sta_info_insert(sta);
+ if (err) {
+ printk(KERN_DEBUG "%s: failed to insert STA entry for"
+ " the AP (error %d)\n", sdata->dev->name, err);
+ rcu_read_unlock();
+ return;
+ }
+ }
+
+ rcu_read_unlock();
+
+ if (elems.wmm_param)
ieee80211_sta_wmm_params(local, ifsta, elems.wmm_param,
elems.wmm_param_len);
- } else
- rcu_read_unlock();
+
+ if (elems.ht_info_elem && elems.wmm_param &&
+ (ifsta->flags & IEEE80211_STA_WMM_ENABLED))
+ changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem,
+ ap_ht_cap_flags);
/* set AID and assoc capability,
* ieee80211_set_associated() will tell the driver */
bss_conf->aid = aid;
bss_conf->assoc_capability = capab_info;
- ieee80211_set_associated(sdata, ifsta);
+ ieee80211_set_associated(sdata, ifsta, changed);
ieee80211_associated(sdata, ifsta);
}
@@ -1386,6 +1421,13 @@ static int ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
struct ieee80211_supported_band *sband;
union iwreq_data wrqu;
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
+ if (!skb) {
+ printk(KERN_DEBUG "%s: failed to allocate buffer for probe "
+ "response\n", sdata->dev->name);
+ return -ENOMEM;
+ }
+
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
/* Remove possible STA entries from other IBSS networks. */
@@ -1411,63 +1453,62 @@ static int ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
return res;
/* Build IBSS probe response */
- skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
- 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 = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_PROBE_RESP);
- memset(mgmt->da, 0xff, ETH_ALEN);
- memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
- mgmt->u.beacon.beacon_int =
- cpu_to_le16(local->hw.conf.beacon_int);
- mgmt->u.beacon.timestamp = cpu_to_le64(bss->timestamp);
- mgmt->u.beacon.capab_info = cpu_to_le16(bss->capability);
-
- pos = skb_put(skb, 2 + ifsta->ssid_len);
- *pos++ = WLAN_EID_SSID;
- *pos++ = ifsta->ssid_len;
- memcpy(pos, ifsta->ssid, ifsta->ssid_len);
-
- rates = bss->supp_rates_len;
- if (rates > 8)
- rates = 8;
- pos = skb_put(skb, 2 + rates);
- *pos++ = WLAN_EID_SUPP_RATES;
- *pos++ = rates;
- memcpy(pos, bss->supp_rates, rates);
+ skb_reserve(skb, local->hw.extra_tx_headroom);
- if (bss->band == IEEE80211_BAND_2GHZ) {
- pos = skb_put(skb, 2 + 1);
- *pos++ = WLAN_EID_DS_PARAMS;
- *pos++ = 1;
- *pos++ = ieee80211_frequency_to_channel(bss->freq);
- }
+ mgmt = (struct ieee80211_mgmt *)
+ skb_put(skb, 24 + sizeof(mgmt->u.beacon));
+ memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon));
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_PROBE_RESP);
+ memset(mgmt->da, 0xff, ETH_ALEN);
+ memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
+ memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
+ mgmt->u.beacon.beacon_int =
+ cpu_to_le16(local->hw.conf.beacon_int);
+ mgmt->u.beacon.timestamp = cpu_to_le64(bss->timestamp);
+ mgmt->u.beacon.capab_info = cpu_to_le16(bss->capability);
- pos = skb_put(skb, 2 + 2);
- *pos++ = WLAN_EID_IBSS_PARAMS;
- *pos++ = 2;
- /* FIX: set ATIM window based on scan results */
- *pos++ = 0;
- *pos++ = 0;
+ pos = skb_put(skb, 2 + ifsta->ssid_len);
+ *pos++ = WLAN_EID_SSID;
+ *pos++ = ifsta->ssid_len;
+ memcpy(pos, ifsta->ssid, ifsta->ssid_len);
- if (bss->supp_rates_len > 8) {
- rates = bss->supp_rates_len - 8;
- pos = skb_put(skb, 2 + rates);
- *pos++ = WLAN_EID_EXT_SUPP_RATES;
- *pos++ = rates;
- memcpy(pos, &bss->supp_rates[8], rates);
- }
+ rates = bss->supp_rates_len;
+ if (rates > 8)
+ rates = 8;
+ pos = skb_put(skb, 2 + rates);
+ *pos++ = WLAN_EID_SUPP_RATES;
+ *pos++ = rates;
+ memcpy(pos, bss->supp_rates, rates);
- ifsta->probe_resp = skb;
+ if (bss->band == IEEE80211_BAND_2GHZ) {
+ pos = skb_put(skb, 2 + 1);
+ *pos++ = WLAN_EID_DS_PARAMS;
+ *pos++ = 1;
+ *pos++ = ieee80211_frequency_to_channel(bss->freq);
+ }
+
+ pos = skb_put(skb, 2 + 2);
+ *pos++ = WLAN_EID_IBSS_PARAMS;
+ *pos++ = 2;
+ /* FIX: set ATIM window based on scan results */
+ *pos++ = 0;
+ *pos++ = 0;
- ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
+ if (bss->supp_rates_len > 8) {
+ rates = bss->supp_rates_len - 8;
+ pos = skb_put(skb, 2 + rates);
+ *pos++ = WLAN_EID_EXT_SUPP_RATES;
+ *pos++ = rates;
+ memcpy(pos, &bss->supp_rates[8], rates);
}
+ ifsta->probe_resp = skb;
+
+ ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
+
+
rates = 0;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
for (i = 0; i < bss->supp_rates_len; i++) {
@@ -1507,8 +1548,6 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
u64 beacon_timestamp, rx_timestamp;
u64 supp_rates = 0;
enum ieee80211_band band = rx_status->band;
- DECLARE_MAC_BUF(mac);
- DECLARE_MAC_BUF(mac2);
if (elems->ds_params && elems->ds_params_len == 1)
freq = ieee80211_channel_to_frequency(elems->ds_params[0]);
@@ -1538,17 +1577,16 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
#ifdef CONFIG_MAC80211_IBSS_DEBUG
if (sta->sta.supp_rates[band] != prev_rates)
printk(KERN_DEBUG "%s: updated supp_rates set "
- "for %s based on beacon info (0x%llx | "
+ "for %pM based on beacon info (0x%llx | "
"0x%llx -> 0x%llx)\n",
sdata->dev->name,
- print_mac(mac, sta->sta.addr),
+ sta->sta.addr,
(unsigned long long) prev_rates,
(unsigned long long) supp_rates,
(unsigned long long) sta->sta.supp_rates[band]);
#endif
} else {
- ieee80211_ibss_add_sta(sdata, NULL, mgmt->bssid,
- mgmt->sa, supp_rates);
+ ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa, supp_rates);
}
rcu_read_unlock();
@@ -1595,8 +1633,13 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
* e.g: at 1 MBit that means mactime is 192 usec earlier
* (=24 bytes * 8 usecs/byte) than the beacon timestamp.
*/
- int rate = local->hw.wiphy->bands[band]->
+ int rate;
+ if (rx_status->flag & RX_FLAG_HT) {
+ rate = 65; /* TODO: HT rates */
+ } else {
+ rate = local->hw.wiphy->bands[band]->
bitrates[rx_status->rate_idx].bitrate;
+ }
rx_timestamp = rx_status->mactime + (24 * 8 * 10 / rate);
} else if (local && local->ops && local->ops->get_tsf)
/* second best option: get current TSF */
@@ -1605,10 +1648,9 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
/* can't merge without knowing the TSF */
rx_timestamp = -1LLU;
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "RX beacon SA=%s BSSID="
- "%s TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n",
- print_mac(mac, mgmt->sa),
- print_mac(mac2, mgmt->bssid),
+ printk(KERN_DEBUG "RX beacon SA=%pM BSSID="
+ "%pM TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n",
+ mgmt->sa, mgmt->bssid,
(unsigned long long)rx_timestamp,
(unsigned long long)beacon_timestamp,
(unsigned long long)(rx_timestamp - beacon_timestamp),
@@ -1617,13 +1659,11 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
if (beacon_timestamp > rx_timestamp) {
#ifdef CONFIG_MAC80211_IBSS_DEBUG
printk(KERN_DEBUG "%s: beacon TSF higher than "
- "local TSF - IBSS merge with BSSID %s\n",
- sdata->dev->name, print_mac(mac, mgmt->bssid));
+ "local TSF - IBSS merge with BSSID %pM\n",
+ sdata->dev->name, mgmt->bssid);
#endif
ieee80211_sta_join_ibss(sdata, &sdata->u.sta, bss);
- ieee80211_ibss_add_sta(sdata, NULL,
- mgmt->bssid, mgmt->sa,
- supp_rates);
+ ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa, supp_rates);
}
}
@@ -1671,8 +1711,9 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
size_t baselen;
struct ieee802_11_elems elems;
struct ieee80211_local *local = sdata->local;
- struct ieee80211_conf *conf = &local->hw.conf;
u32 changed = 0;
+ bool erp_valid;
+ u8 erp_value = 0;
/* Process beacon from the current BSS */
baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt;
@@ -1694,22 +1735,49 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ieee80211_sta_wmm_params(local, ifsta, elems.wmm_param,
elems.wmm_param_len);
- if (elems.erp_info && elems.erp_info_len >= 1)
- changed |= ieee80211_handle_erp_ie(sdata, elems.erp_info[0]);
- else {
- u16 capab = le16_to_cpu(mgmt->u.beacon.capab_info);
- changed |= ieee80211_handle_protect_preamb(sdata, false,
- (capab & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0);
+
+ if (elems.erp_info && elems.erp_info_len >= 1) {
+ erp_valid = true;
+ erp_value = elems.erp_info[0];
+ } else {
+ erp_valid = false;
}
+ changed |= ieee80211_handle_bss_capability(sdata,
+ le16_to_cpu(mgmt->u.beacon.capab_info),
+ erp_valid, erp_value);
+
+
+ if (elems.ht_cap_elem && elems.ht_info_elem && elems.wmm_param) {
+ struct sta_info *sta;
+ struct ieee80211_supported_band *sband;
+ u16 ap_ht_cap_flags;
+
+ rcu_read_lock();
- if (elems.ht_cap_elem && elems.ht_info_elem &&
- elems.wmm_param && conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
- struct ieee80211_ht_bss_info bss_info;
+ sta = sta_info_get(local, ifsta->bssid);
+ if (!sta) {
+ rcu_read_unlock();
+ return;
+ }
+
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- ieee80211_ht_addt_info_ie_to_ht_bss_info(
- elems.ht_info_elem, &bss_info);
- changed |= ieee80211_handle_ht(local, 1, &conf->ht_conf,
- &bss_info);
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
+ elems.ht_cap_elem, &sta->sta.ht_cap);
+
+ ap_ht_cap_flags = sta->sta.ht_cap.cap;
+
+ rcu_read_unlock();
+
+ changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem,
+ ap_ht_cap_flags);
+ }
+
+ if (elems.country_elem) {
+ /* Note we are only reviewing this on beacons
+ * for the BSSID we are associated to */
+ regulatory_hint_11d(local->hw.wiphy,
+ elems.country_elem, elems.country_elem_len);
}
ieee80211_bss_info_change_notify(sdata, changed);
@@ -1727,11 +1795,6 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb;
struct ieee80211_mgmt *resp;
u8 *pos, *end;
- DECLARE_MAC_BUF(mac);
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- DECLARE_MAC_BUF(mac2);
- DECLARE_MAC_BUF(mac3);
-#endif
if (sdata->vif.type != NL80211_IFTYPE_ADHOC ||
ifsta->state != IEEE80211_STA_MLME_IBSS_JOINED ||
@@ -1744,10 +1807,10 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
tx_last_beacon = 1;
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: RX ProbeReq SA=%s DA=%s BSSID="
- "%s (tx_last_beacon=%d)\n",
- sdata->dev->name, print_mac(mac, mgmt->sa), print_mac(mac2, mgmt->da),
- print_mac(mac3, mgmt->bssid), tx_last_beacon);
+ printk(KERN_DEBUG "%s: RX ProbeReq SA=%pM DA=%pM BSSID=%pM"
+ " (tx_last_beacon=%d)\n",
+ sdata->dev->name, mgmt->sa, mgmt->da,
+ mgmt->bssid, tx_last_beacon);
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
if (!tx_last_beacon)
@@ -1763,8 +1826,8 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
pos + 2 + pos[1] > end) {
#ifdef CONFIG_MAC80211_IBSS_DEBUG
printk(KERN_DEBUG "%s: Invalid SSID IE in ProbeReq "
- "from %s\n",
- sdata->dev->name, print_mac(mac, mgmt->sa));
+ "from %pM\n",
+ sdata->dev->name, mgmt->sa);
#endif
return;
}
@@ -1783,8 +1846,8 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
resp = (struct ieee80211_mgmt *) skb->data;
memcpy(resp->da, mgmt->sa, ETH_ALEN);
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: Sending ProbeResp to %s\n",
- sdata->dev->name, print_mac(mac, resp->da));
+ printk(KERN_DEBUG "%s: Sending ProbeResp to %pM\n",
+ sdata->dev->name, resp->da);
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
ieee80211_tx_skb(sdata, skb, 0);
}
@@ -1972,7 +2035,7 @@ static int ieee80211_sta_match_ssid(struct ieee80211_if_sta *ifsta,
}
}
- if (hidden_ssid && ifsta->ssid_len == ssid_len)
+ if (hidden_ssid && (ifsta->ssid_len == ssid_len || ssid_len == 0))
return 1;
if (ssid_len == 1 && ssid[0] == ' ')
@@ -1990,7 +2053,6 @@ static int ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata,
u8 bssid[ETH_ALEN], *pos;
int i;
int ret;
- DECLARE_MAC_BUF(mac);
#if 0
/* Easier testing, use fixed BSSID. */
@@ -2006,8 +2068,8 @@ static int ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata,
bssid[0] |= 0x02;
#endif
- printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID %s\n",
- sdata->dev->name, print_mac(mac, bssid));
+ printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID %pM\n",
+ sdata->dev->name, bssid);
bss = ieee80211_rx_bss_add(local, bssid,
local->hw.conf.channel->center_freq,
@@ -2050,8 +2112,6 @@ static int ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata,
int found = 0;
u8 bssid[ETH_ALEN];
int active_ibss;
- DECLARE_MAC_BUF(mac);
- DECLARE_MAC_BUF(mac2);
if (ifsta->ssid_len == 0)
return -EINVAL;
@@ -2068,8 +2128,7 @@ static int ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata,
|| !(bss->capability & WLAN_CAPABILITY_IBSS))
continue;
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG " bssid=%s found\n",
- print_mac(mac, bss->bssid));
+ printk(KERN_DEBUG " bssid=%pM found\n", bss->bssid);
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
memcpy(bssid, bss->bssid, ETH_ALEN);
found = 1;
@@ -2080,9 +2139,8 @@ static int ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata,
#ifdef CONFIG_MAC80211_IBSS_DEBUG
if (found)
- printk(KERN_DEBUG " sta_find_ibss: selected %s current "
- "%s\n", print_mac(mac, bssid),
- print_mac(mac2, ifsta->bssid));
+ printk(KERN_DEBUG " sta_find_ibss: selected %pM current "
+ "%pM\n", bssid, ifsta->bssid);
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
if (found && memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0) {
@@ -2099,9 +2157,9 @@ static int ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata,
if (!bss)
goto dont_join;
- printk(KERN_DEBUG "%s: Selected IBSS BSSID %s"
+ printk(KERN_DEBUG "%s: Selected IBSS BSSID %pM"
" based on configured SSID\n",
- sdata->dev->name, print_mac(mac, bssid));
+ sdata->dev->name, bssid);
ret = ieee80211_sta_join_ibss(sdata, ifsta, bss);
ieee80211_rx_bss_put(local, bss);
return ret;
@@ -2338,12 +2396,10 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
* must be callable in atomic context.
*/
struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb, u8 *bssid,
- u8 *addr, u64 supp_rates)
+ u8 *bssid,u8 *addr, u64 supp_rates)
{
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
- DECLARE_MAC_BUF(mac);
int band = local->hw.conf.channel->band;
/* TODO: Could consider removing the least recently used entry and
@@ -2351,7 +2407,7 @@ struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) {
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: No room for a new IBSS STA "
- "entry %s\n", sdata->dev->name, print_mac(mac, addr));
+ "entry %pM\n", sdata->dev->name, addr);
}
return NULL;
}
@@ -2360,8 +2416,8 @@ struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
return NULL;
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: Adding new IBSS station %s (dev=%s)\n",
- wiphy_name(local->hw.wiphy), print_mac(mac, addr), sdata->dev->name);
+ printk(KERN_DEBUG "%s: Adding new IBSS station %pM (dev=%s)\n",
+ wiphy_name(local->hw.wiphy), addr, sdata->dev->name);
#endif
sta = sta_info_alloc(sdata, addr, GFP_ATOMIC);
@@ -2408,7 +2464,6 @@ void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata,
int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)
{
struct ieee80211_if_sta *ifsta;
- int res;
if (len > IEEE80211_MAX_SSID_LEN)
return -EINVAL;
@@ -2420,19 +2475,6 @@ int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size
memcpy(ifsta->ssid, ssid, len);
ifsta->ssid_len = len;
ifsta->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
-
- 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", sdata->dev->name);
- return res;
- }
}
if (len)
@@ -2560,3 +2602,39 @@ void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
ieee80211_restart_sta_timer(sdata);
rcu_read_unlock();
}
+
+void ieee80211_dynamic_ps_disable_work(struct work_struct *work)
+{
+ struct ieee80211_local *local =
+ container_of(work, struct ieee80211_local,
+ dynamic_ps_disable_work);
+
+ if (local->hw.conf.flags & IEEE80211_CONF_PS) {
+ local->hw.conf.flags &= ~IEEE80211_CONF_PS;
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
+ }
+
+ ieee80211_wake_queues_by_reason(&local->hw,
+ IEEE80211_QUEUE_STOP_REASON_PS);
+}
+
+void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
+{
+ struct ieee80211_local *local =
+ container_of(work, struct ieee80211_local,
+ dynamic_ps_enable_work);
+
+ if (local->hw.conf.flags & IEEE80211_CONF_PS)
+ return;
+
+ local->hw.conf.flags |= IEEE80211_CONF_PS;
+
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
+}
+
+void ieee80211_dynamic_ps_timer(unsigned long data)
+{
+ struct ieee80211_local *local = (void *) data;
+
+ queue_work(local->hw.workqueue, &local->dynamic_ps_enable_work);
+}
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 5d78672..3fa7ab2 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -199,48 +199,44 @@ static void rate_control_release(struct kref *kref)
}
void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_supported_band *sband,
- struct sta_info *sta, struct sk_buff *skb,
- struct rate_selection *sel)
+ struct sta_info *sta,
+ struct ieee80211_tx_rate_control *txrc)
{
struct rate_control_ref *ref = sdata->local->rate_ctrl;
void *priv_sta = NULL;
struct ieee80211_sta *ista = NULL;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb);
int i;
- sel->rate_idx = -1;
- sel->nonerp_idx = -1;
- sel->probe_idx = -1;
- sel->max_rate_idx = sdata->max_ratectrl_rateidx;
-
if (sta) {
ista = &sta->sta;
priv_sta = sta->rate_ctrl_priv;
}
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+ info->control.rates[i].idx = -1;
+ info->control.rates[i].flags = 0;
+ info->control.rates[i].count = 1;
+ }
+
if (sta && sdata->force_unicast_rateidx > -1)
- sel->rate_idx = sdata->force_unicast_rateidx;
+ info->control.rates[0].idx = sdata->force_unicast_rateidx;
else
- ref->ops->get_rate(ref->priv, sband, ista, priv_sta, skb, sel);
-
- if (sdata->max_ratectrl_rateidx > -1 &&
- sel->rate_idx > sdata->max_ratectrl_rateidx)
- sel->rate_idx = sdata->max_ratectrl_rateidx;
-
- BUG_ON(sel->rate_idx < 0);
-
- /* Select a non-ERP backup rate. */
- if (sel->nonerp_idx < 0) {
- for (i = 0; i < sband->n_bitrates; i++) {
- struct ieee80211_rate *rate = &sband->bitrates[i];
- if (sband->bitrates[sel->rate_idx].bitrate < rate->bitrate)
- break;
-
- if (rate_supported(ista, sband->band, i) &&
- !(rate->flags & IEEE80211_RATE_ERP_G))
- sel->nonerp_idx = i;
- }
+ ref->ops->get_rate(ref->priv, ista, priv_sta, txrc);
+
+ /*
+ * try to enforce the maximum rate the user wanted
+ */
+ if (sdata->max_ratectrl_rateidx > -1)
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+ if (info->control.rates[i].flags & IEEE80211_TX_RC_MCS)
+ continue;
+ info->control.rates[i].idx =
+ min_t(s8, info->control.rates[i].idx,
+ sdata->max_ratectrl_rateidx);
}
+
+ BUG_ON(info->control.rates[0].idx < 0);
}
struct rate_control_ref *rate_control_get(struct rate_control_ref *ref)
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index d0092f8..928da62 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -31,9 +31,8 @@ struct rate_control_ref {
struct rate_control_ref *rate_control_alloc(const char *name,
struct ieee80211_local *local);
void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_supported_band *sband,
- struct sta_info *sta, struct sk_buff *skb,
- struct rate_selection *sel);
+ struct sta_info *sta,
+ struct ieee80211_tx_rate_control *txrc);
struct rate_control_ref *rate_control_get(struct rate_control_ref *ref);
void rate_control_put(struct rate_control_ref *ref);
@@ -64,12 +63,6 @@ static inline void rate_control_rate_init(struct sta_info *sta)
}
-static inline void rate_control_clear(struct ieee80211_local *local)
-{
- struct rate_control_ref *ref = local->rate_ctrl;
- ref->ops->clear(ref->priv);
-}
-
static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
struct ieee80211_sta *sta,
gfp_t gfp)
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index f6d69da..2b3b490 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -126,7 +126,9 @@ minstrel_update_stats(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
mr->adjusted_retry_count = mr->retry_count >> 1;
if (mr->adjusted_retry_count > 2)
mr->adjusted_retry_count = 2;
+ mr->sample_limit = 4;
} else {
+ mr->sample_limit = -1;
mr->adjusted_retry_count = mr->retry_count;
}
if (!mr->adjusted_retry_count)
@@ -169,30 +171,20 @@ minstrel_tx_status(void *priv, struct ieee80211_supported_band *sband,
{
struct minstrel_sta_info *mi = priv_sta;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_tx_altrate *ar = info->status.retries;
- struct minstrel_priv *mp = priv;
- int i, ndx, tries;
- int success = 0;
-
- if (!info->status.excessive_retries)
- success = 1;
+ struct ieee80211_tx_rate *ar = info->status.rates;
+ int i, ndx;
+ int success;
- if (!mp->has_mrr || (ar[0].rate_idx < 0)) {
- ndx = rix_to_ndx(mi, info->tx_rate_idx);
- tries = info->status.retry_count + 1;
- mi->r[ndx].success += success;
- mi->r[ndx].attempts += tries;
- return;
- }
+ success = !!(info->flags & IEEE80211_TX_STAT_ACK);
- for (i = 0; i < 4; i++) {
- if (ar[i].rate_idx < 0)
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+ if (ar[i].idx < 0)
break;
- ndx = rix_to_ndx(mi, ar[i].rate_idx);
- mi->r[ndx].attempts += ar[i].limit + 1;
+ ndx = rix_to_ndx(mi, ar[i].idx);
+ mi->r[ndx].attempts += ar[i].count;
- if ((i != 3) && (ar[i + 1].rate_idx < 0))
+ if ((i != IEEE80211_TX_MAX_RATES - 1) && (ar[i + 1].idx < 0))
mi->r[ndx].success += success;
}
@@ -210,9 +202,9 @@ minstrel_get_retry_count(struct minstrel_rate *mr,
{
unsigned int retry = mr->adjusted_retry_count;
- if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS)
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
retry = max(2U, min(mr->retry_count_rtscts, retry));
- else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)
+ else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
retry = max(2U, min(mr->retry_count_cts, retry));
return retry;
}
@@ -233,15 +225,16 @@ minstrel_get_next_sample(struct minstrel_sta_info *mi)
return sample_ndx;
}
-void
-minstrel_get_rate(void *priv, struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta,
- struct sk_buff *skb, struct rate_selection *sel)
+static void
+minstrel_get_rate(void *priv, struct ieee80211_sta *sta,
+ void *priv_sta, struct ieee80211_tx_rate_control *txrc)
{
+ struct sk_buff *skb = txrc->skb;
+ struct ieee80211_supported_band *sband = txrc->sband;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct minstrel_sta_info *mi = priv_sta;
struct minstrel_priv *mp = priv;
- struct ieee80211_tx_altrate *ar = info->control.retries;
+ struct ieee80211_tx_rate *ar = info->control.rates;
unsigned int ndx, sample_ndx = 0;
bool mrr;
bool sample_slower = false;
@@ -251,16 +244,12 @@ minstrel_get_rate(void *priv, struct ieee80211_supported_band *sband,
int sample_rate;
if (!sta || !mi || use_low_rate(skb)) {
- sel->rate_idx = rate_lowest_index(sband, sta);
+ ar[0].idx = rate_lowest_index(sband, sta);
+ ar[0].count = mp->max_retry;
return;
}
- mrr = mp->has_mrr;
-
- /* mac80211 does not allow mrr for RTS/CTS */
- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) ||
- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT))
- mrr = false;
+ mrr = mp->has_mrr && !txrc->rts && !txrc->bss_conf->use_cts_prot;
if (time_after(jiffies, mi->stats_update + (mp->update_interval *
HZ) / 1000))
@@ -278,7 +267,8 @@ minstrel_get_rate(void *priv, struct ieee80211_supported_band *sband,
(mi->sample_count + mi->sample_deferred / 2);
/* delta > 0: sampling required */
- if (delta > 0) {
+ if ((delta > 0) && (mrr || !mi->prev_sample)) {
+ struct minstrel_rate *msr;
if (mi->packet_count >= 10000) {
mi->sample_deferred = 0;
mi->sample_count = 0;
@@ -297,13 +287,20 @@ minstrel_get_rate(void *priv, struct ieee80211_supported_band *sband,
}
sample_ndx = minstrel_get_next_sample(mi);
+ msr = &mi->r[sample_ndx];
sample = true;
- sample_slower = mrr && (mi->r[sample_ndx].perfect_tx_time >
+ sample_slower = mrr && (msr->perfect_tx_time >
mi->r[ndx].perfect_tx_time);
if (!sample_slower) {
- ndx = sample_ndx;
- mi->sample_count++;
+ if (msr->sample_limit != 0) {
+ ndx = sample_ndx;
+ mi->sample_count++;
+ if (msr->sample_limit > 0)
+ msr->sample_limit--;
+ } else {
+ sample = false;
+ }
} else {
/* Only use IEEE80211_TX_CTL_RATE_CTRL_PROBE to mark
* packets that have the sampling rate deferred to the
@@ -315,13 +312,22 @@ minstrel_get_rate(void *priv, struct ieee80211_supported_band *sband,
mi->sample_deferred++;
}
}
- sel->rate_idx = mi->r[ndx].rix;
- info->control.retry_limit = minstrel_get_retry_count(&mi->r[ndx], info);
+ mi->prev_sample = sample;
+
+ /* If we're not using MRR and the sampling rate already
+ * has a probability of >95%, we shouldn't be attempting
+ * to use it, as this only wastes precious airtime */
+ if (!mrr && sample && (mi->r[ndx].probability > 17100))
+ ndx = mi->max_tp_rate;
+
+ ar[0].idx = mi->r[ndx].rix;
+ ar[0].count = minstrel_get_retry_count(&mi->r[ndx], info);
if (!mrr) {
- ar[0].rate_idx = mi->lowest_rix;
- ar[0].limit = mp->max_retry;
- ar[1].rate_idx = -1;
+ if (!sample)
+ ar[0].count = mp->max_retry;
+ ar[1].idx = mi->lowest_rix;
+ ar[1].count = mp->max_retry;
return;
}
@@ -336,9 +342,9 @@ minstrel_get_rate(void *priv, struct ieee80211_supported_band *sband,
}
mrr_ndx[1] = mi->max_prob_rate;
mrr_ndx[2] = 0;
- for (i = 0; i < 3; i++) {
- ar[i].rate_idx = mi->r[mrr_ndx[i]].rix;
- ar[i].limit = mi->r[mrr_ndx[i]].adjusted_retry_count;
+ for (i = 1; i < 4; i++) {
+ ar[i].idx = mi->r[mrr_ndx[i - 1]].rix;
+ ar[i].count = mi->r[mrr_ndx[i - 1]].adjusted_retry_count;
}
}
@@ -415,6 +421,7 @@ minstrel_rate_init(void *priv, struct ieee80211_supported_band *sband,
/* calculate maximum number of retransmissions before
* fallback (based on maximum segment size) */
+ mr->sample_limit = -1;
mr->retry_count = 1;
mr->retry_count_cts = 1;
mr->retry_count_rtscts = 1;
@@ -500,11 +507,6 @@ minstrel_free_sta(void *priv, struct ieee80211_sta *sta, void *priv_sta)
kfree(mi);
}
-static void
-minstrel_clear(void *priv)
-{
-}
-
static void *
minstrel_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
{
@@ -532,13 +534,13 @@ minstrel_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
/* maximum time that the hw is allowed to stay in one MRR segment */
mp->segment_size = 6000;
- if (hw->max_altrate_tries > 0)
- mp->max_retry = hw->max_altrate_tries;
+ if (hw->max_rate_tries > 0)
+ mp->max_retry = hw->max_rate_tries;
else
/* safe default, does not necessarily have to match hw properties */
mp->max_retry = 7;
- if (hw->max_altrates >= 3)
+ if (hw->max_rates >= 4)
mp->has_mrr = true;
mp->hw = hw;
@@ -558,7 +560,6 @@ static struct rate_control_ops mac80211_minstrel = {
.tx_status = minstrel_tx_status,
.get_rate = minstrel_get_rate,
.rate_init = minstrel_rate_init,
- .clear = minstrel_clear,
.alloc = minstrel_alloc,
.free = minstrel_free,
.alloc_sta = minstrel_alloc_sta,
diff --git a/net/mac80211/rc80211_minstrel.h b/net/mac80211/rc80211_minstrel.h
index 9a90a6a..869fe0e 100644
--- a/net/mac80211/rc80211_minstrel.h
+++ b/net/mac80211/rc80211_minstrel.h
@@ -16,6 +16,7 @@ struct minstrel_rate {
unsigned int perfect_tx_time;
unsigned int ack_time;
+ int sample_limit;
unsigned int retry_count;
unsigned int retry_count_cts;
unsigned int retry_count_rtscts;
@@ -57,6 +58,7 @@ struct minstrel_sta_info {
int n_rates;
struct minstrel_rate *r;
+ bool prev_sample;
/* sampling table */
u8 *sample_table;
diff --git a/net/mac80211/rc80211_pid.h b/net/mac80211/rc80211_pid.h
index 01d64d5..1a873f0 100644
--- a/net/mac80211/rc80211_pid.h
+++ b/net/mac80211/rc80211_pid.h
@@ -49,7 +49,7 @@
/* Arithmetic right shift for positive and negative values for ISO C. */
#define RC_PID_DO_ARITH_RIGHT_SHIFT(x, y) \
- (x) < 0 ? -((-(x)) >> (y)) : (x) >> (y)
+ ((x) < 0 ? -((-(x)) >> (y)) : (x) >> (y))
enum rc_pid_event_type {
RC_PID_EVENT_TYPE_TX_STATUS,
@@ -61,6 +61,7 @@ enum rc_pid_event_type {
union rc_pid_event_data {
/* RC_PID_EVENT_TX_STATUS */
struct {
+ u32 flags;
struct ieee80211_tx_info tx_status;
};
/* RC_PID_EVENT_TYPE_RATE_CHANGE */
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index 86eb374..b16801c 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -241,7 +241,7 @@ static void rate_control_pid_tx_status(void *priv, struct ieee80211_supported_ba
/* Ignore all frames that were sent with a different rate than the rate
* we currently advise mac80211 to use. */
- if (info->tx_rate_idx != spinfo->txrate_idx)
+ if (info->status.rates[0].idx != spinfo->txrate_idx)
return;
spinfo->tx_num_xmit++;
@@ -253,10 +253,10 @@ static void rate_control_pid_tx_status(void *priv, struct ieee80211_supported_ba
/* We count frames that totally failed to be transmitted as two bad
* frames, those that made it out but had some retries as one good and
* one bad frame. */
- if (info->status.excessive_retries) {
+ if (!(info->flags & IEEE80211_TX_STAT_ACK)) {
spinfo->tx_num_failed += 2;
spinfo->tx_num_xmit++;
- } else if (info->status.retry_count) {
+ } else if (info->status.rates[0].count > 1) {
spinfo->tx_num_failed++;
spinfo->tx_num_xmit++;
}
@@ -270,23 +270,32 @@ static void rate_control_pid_tx_status(void *priv, struct ieee80211_supported_ba
}
static void
-rate_control_pid_get_rate(void *priv, struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta,
- struct sk_buff *skb,
- struct rate_selection *sel)
+rate_control_pid_get_rate(void *priv, struct ieee80211_sta *sta,
+ void *priv_sta,
+ struct ieee80211_tx_rate_control *txrc)
{
+ struct sk_buff *skb = txrc->skb;
+ struct ieee80211_supported_band *sband = txrc->sband;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct rc_pid_sta_info *spinfo = priv_sta;
int rateidx;
u16 fc;
+ if (txrc->rts)
+ info->control.rates[0].count =
+ txrc->hw->conf.long_frame_max_tx_count;
+ else
+ info->control.rates[0].count =
+ txrc->hw->conf.short_frame_max_tx_count;
+
/* Send management frames and broadcast/multicast data using lowest
* rate. */
fc = le16_to_cpu(hdr->frame_control);
if (!sta || !spinfo ||
(fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
is_multicast_ether_addr(hdr->addr1)) {
- sel->rate_idx = rate_lowest_index(sband, sta);
+ info->control.rates[0].idx = rate_lowest_index(sband, sta);
return;
}
@@ -295,7 +304,7 @@ rate_control_pid_get_rate(void *priv, struct ieee80211_supported_band *sband,
if (rateidx >= sband->n_bitrates)
rateidx = sband->n_bitrates - 1;
- sel->rate_idx = rateidx;
+ info->control.rates[0].idx = rateidx;
#ifdef CONFIG_MAC80211_DEBUGFS
rate_control_pid_event_tx_rate(&spinfo->events,
@@ -394,11 +403,11 @@ static void *rate_control_pid_alloc(struct ieee80211_hw *hw,
S_IRUSR | S_IWUSR, debugfsdir,
&pinfo->sampling_period);
de->coeff_p = debugfs_create_u32("coeff_p", S_IRUSR | S_IWUSR,
- debugfsdir, &pinfo->coeff_p);
+ debugfsdir, (u32 *)&pinfo->coeff_p);
de->coeff_i = debugfs_create_u32("coeff_i", S_IRUSR | S_IWUSR,
- debugfsdir, &pinfo->coeff_i);
+ debugfsdir, (u32 *)&pinfo->coeff_i);
de->coeff_d = debugfs_create_u32("coeff_d", S_IRUSR | S_IWUSR,
- debugfsdir, &pinfo->coeff_d);
+ debugfsdir, (u32 *)&pinfo->coeff_d);
de->smoothing_shift = debugfs_create_u32("smoothing_shift",
S_IRUSR | S_IWUSR, debugfsdir,
&pinfo->smoothing_shift);
@@ -437,10 +446,6 @@ static void rate_control_pid_free(void *priv)
kfree(pinfo);
}
-static void rate_control_pid_clear(void *priv)
-{
-}
-
static void *rate_control_pid_alloc_sta(void *priv, struct ieee80211_sta *sta,
gfp_t gfp)
{
@@ -471,7 +476,6 @@ static struct rate_control_ops mac80211_rcpid = {
.tx_status = rate_control_pid_tx_status,
.get_rate = rate_control_pid_get_rate,
.rate_init = rate_control_pid_rate_init,
- .clear = rate_control_pid_clear,
.alloc = rate_control_pid_alloc,
.free = rate_control_pid_free,
.alloc_sta = rate_control_pid_alloc_sta,
diff --git a/net/mac80211/rc80211_pid_debugfs.c b/net/mac80211/rc80211_pid_debugfs.c
index 8121d3b..a08a9b5 100644
--- a/net/mac80211/rc80211_pid_debugfs.c
+++ b/net/mac80211/rc80211_pid_debugfs.c
@@ -43,6 +43,7 @@ void rate_control_pid_event_tx_status(struct rc_pid_event_buffer *buf,
{
union rc_pid_event_data evd;
+ evd.flags = stat->flags;
memcpy(&evd.tx_status, stat, sizeof(struct ieee80211_tx_info));
rate_control_pid_event(buf, RC_PID_EVENT_TYPE_TX_STATUS, &evd);
}
@@ -167,8 +168,8 @@ static ssize_t rate_control_pid_events_read(struct file *file, char __user *buf,
switch (ev->type) {
case RC_PID_EVENT_TYPE_TX_STATUS:
p += snprintf(pb + p, length - p, "tx_status %u %u",
- ev->data.tx_status.status.excessive_retries,
- ev->data.tx_status.status.retry_count);
+ !(ev->data.flags & IEEE80211_TX_STAT_ACK),
+ ev->data.tx_status.status.rates[0].idx);
break;
case RC_PID_EVENT_TYPE_RATE_CHANGE:
p += snprintf(pb + p, length - p, "rate_change %d %d",
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index cf6b121..7175ae8 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -26,10 +26,11 @@
#include "tkip.h"
#include "wme.h"
-u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
- struct tid_ampdu_rx *tid_agg_rx,
- struct sk_buff *skb, u16 mpdu_seq_num,
- int bar_req);
+static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
+ struct tid_ampdu_rx *tid_agg_rx,
+ struct sk_buff *skb,
+ u16 mpdu_seq_num,
+ int bar_req);
/*
* monitor mode reception
*
@@ -122,7 +123,6 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
/* radiotap header, set always present flags */
rthdr->it_present =
cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) |
- (1 << IEEE80211_RADIOTAP_RATE) |
(1 << IEEE80211_RADIOTAP_CHANNEL) |
(1 << IEEE80211_RADIOTAP_ANTENNA) |
(1 << IEEE80211_RADIOTAP_RX_FLAGS));
@@ -148,7 +148,19 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
pos++;
/* IEEE80211_RADIOTAP_RATE */
- *pos = rate->bitrate / 5;
+ if (status->flag & RX_FLAG_HT) {
+ /*
+ * TODO: add following information into radiotap header once
+ * suitable fields are defined for it:
+ * - MCS index (status->rate_idx)
+ * - HT40 (status->flag & RX_FLAG_40MHZ)
+ * - short-GI (status->flag & RX_FLAG_SHORT_GI)
+ */
+ *pos = 0;
+ } else {
+ rthdr->it_present |= (1 << IEEE80211_RADIOTAP_RATE);
+ *pos = rate->bitrate / 5;
+ }
pos++;
/* IEEE80211_RADIOTAP_CHANNEL */
@@ -653,13 +665,16 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
static void ap_sta_ps_start(struct sta_info *sta)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
- DECLARE_MAC_BUF(mac);
+ struct ieee80211_local *local = sdata->local;
atomic_inc(&sdata->bss->num_sta_ps);
set_and_clear_sta_flags(sta, WLAN_STA_PS, WLAN_STA_PSPOLL);
+ if (local->ops->sta_notify)
+ local->ops->sta_notify(local_to_hw(local), &sdata->vif,
+ STA_NOTIFY_SLEEP, &sta->sta);
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- printk(KERN_DEBUG "%s: STA %s aid %d enters power save mode\n",
- sdata->dev->name, print_mac(mac, sta->sta.addr), sta->sta.aid);
+ printk(KERN_DEBUG "%s: STA %pM aid %d enters power save mode\n",
+ sdata->dev->name, sta->sta.addr, sta->sta.aid);
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
}
@@ -669,38 +684,37 @@ static int ap_sta_ps_end(struct sta_info *sta)
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
int sent = 0;
- struct ieee80211_tx_info *info;
- DECLARE_MAC_BUF(mac);
atomic_dec(&sdata->bss->num_sta_ps);
clear_sta_flags(sta, WLAN_STA_PS | WLAN_STA_PSPOLL);
+ if (local->ops->sta_notify)
+ local->ops->sta_notify(local_to_hw(local), &sdata->vif,
+ STA_NOTIFY_AWAKE, &sta->sta);
if (!skb_queue_empty(&sta->ps_tx_buf))
sta_info_clear_tim_bit(sta);
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- printk(KERN_DEBUG "%s: STA %s aid %d exits power save mode\n",
- sdata->dev->name, print_mac(mac, sta->sta.addr), sta->sta.aid);
+ printk(KERN_DEBUG "%s: STA %pM aid %d exits power save mode\n",
+ sdata->dev->name, sta->sta.addr, sta->sta.aid);
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
/* Send all buffered frames to the station */
while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) {
- info = IEEE80211_SKB_CB(skb);
sent++;
- info->flags |= IEEE80211_TX_CTL_REQUEUE;
+ skb->requeue = 1;
dev_queue_xmit(skb);
}
while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) {
- info = IEEE80211_SKB_CB(skb);
local->total_ps_buffered--;
sent++;
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- printk(KERN_DEBUG "%s: STA %s aid %d send PS frame "
+ printk(KERN_DEBUG "%s: STA %pM aid %d send PS frame "
"since STA not sleeping anymore\n", sdata->dev->name,
- print_mac(mac, sta->sta.addr), sta->sta.aid);
+ sta->sta.addr, sta->sta.aid);
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
- info->flags |= IEEE80211_TX_CTL_REQUEUE;
+ skb->requeue = 1;
dev_queue_xmit(skb);
}
@@ -745,17 +759,29 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
sta->last_qual = rx->status->qual;
sta->last_noise = rx->status->noise;
+ /*
+ * Change STA power saving mode only at the end of a frame
+ * exchange sequence.
+ */
if (!ieee80211_has_morefrags(hdr->frame_control) &&
(rx->sdata->vif.type == NL80211_IFTYPE_AP ||
rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) {
- /* Change STA power saving mode only in the end of a frame
- * exchange sequence */
- if (test_sta_flags(sta, WLAN_STA_PS) &&
- !ieee80211_has_pm(hdr->frame_control))
- rx->sent_ps_buffered += ap_sta_ps_end(sta);
- else if (!test_sta_flags(sta, WLAN_STA_PS) &&
- ieee80211_has_pm(hdr->frame_control))
- ap_sta_ps_start(sta);
+ if (test_sta_flags(sta, WLAN_STA_PS)) {
+ /*
+ * Ignore doze->wake transitions that are
+ * indicated by non-data frames, the standard
+ * is unclear here, but for example going to
+ * PS mode and then scanning would cause a
+ * doze->wake transition for the probe request,
+ * and that is clearly undesirable.
+ */
+ if (ieee80211_is_data(hdr->frame_control) &&
+ !ieee80211_has_pm(hdr->frame_control))
+ rx->sent_ps_buffered += ap_sta_ps_end(sta);
+ } else {
+ if (ieee80211_has_pm(hdr->frame_control))
+ ap_sta_ps_start(sta);
+ }
}
/* Drop data::nullfunc frames silently, since they are used only to
@@ -789,15 +815,12 @@ ieee80211_reassemble_add(struct ieee80211_sub_if_data *sdata,
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
struct ieee80211_hdr *hdr =
(struct ieee80211_hdr *) entry->skb_list.next->data;
- DECLARE_MAC_BUF(mac);
- DECLARE_MAC_BUF(mac2);
printk(KERN_DEBUG "%s: RX reassembly removed oldest "
"fragment entry (idx=%d age=%lu seq=%d last_frag=%d "
- "addr1=%s addr2=%s\n",
+ "addr1=%pM addr2=%pM\n",
sdata->dev->name, idx,
jiffies - entry->first_frag_time, entry->seq,
- entry->last_frag, print_mac(mac, hdr->addr1),
- print_mac(mac2, hdr->addr2));
+ entry->last_frag, hdr->addr1, hdr->addr2);
#endif
__skb_queue_purge(&entry->skb_list);
}
@@ -866,7 +889,6 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
unsigned int frag, seq;
struct ieee80211_fragment_entry *entry;
struct sk_buff *skb;
- DECLARE_MAC_BUF(mac);
hdr = (struct ieee80211_hdr *)rx->skb->data;
fc = hdr->frame_control;
@@ -970,7 +992,6 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
struct sk_buff *skb;
int no_pending_pkts;
- DECLARE_MAC_BUF(mac);
__le16 fc = ((struct ieee80211_hdr *)rx->skb->data)->frame_control;
if (likely(!rx->sta || !ieee80211_is_pspoll(fc) ||
@@ -1001,8 +1022,8 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
set_sta_flags(rx->sta, WLAN_STA_PSPOLL);
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- printk(KERN_DEBUG "STA %s aid %d: PS Poll (entries after %d)\n",
- print_mac(mac, rx->sta->sta.addr), rx->sta->sta.aid,
+ printk(KERN_DEBUG "STA %pM aid %d: PS Poll (entries after %d)\n",
+ rx->sta->sta.addr, rx->sta->sta.aid,
skb_queue_len(&rx->sta->ps_tx_buf));
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
@@ -1025,9 +1046,9 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
* Should we send it a null-func frame indicating we
* have nothing buffered for it?
*/
- printk(KERN_DEBUG "%s: STA %s sent PS Poll even "
+ printk(KERN_DEBUG "%s: STA %pM sent PS Poll even "
"though there are no buffered frames for it\n",
- rx->dev->name, print_mac(mac, rx->sta->sta.addr));
+ rx->dev->name, rx->sta->sta.addr);
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
}
@@ -1097,10 +1118,6 @@ ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
u8 src[ETH_ALEN] __aligned(2);
struct sk_buff *skb = rx->skb;
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- DECLARE_MAC_BUF(mac);
- DECLARE_MAC_BUF(mac2);
- DECLARE_MAC_BUF(mac3);
- DECLARE_MAC_BUF(mac4);
if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))
return -1;
@@ -1279,7 +1296,6 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx)
int remaining, err;
u8 dst[ETH_ALEN];
u8 src[ETH_ALEN];
- DECLARE_MAC_BUF(mac);
if (unlikely(!ieee80211_is_data(fc)))
return RX_CONTINUE;
@@ -1552,14 +1568,6 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
if (len < IEEE80211_MIN_ACTION_SIZE + 1)
return RX_DROP_MONITOR;
- /*
- * FIXME: revisit this, I'm sure we should handle most
- * of these frames in other modes as well!
- */
- if (sdata->vif.type != NL80211_IFTYPE_STATION &&
- sdata->vif.type != NL80211_IFTYPE_ADHOC)
- return RX_CONTINUE;
-
switch (mgmt->u.action.category) {
case WLAN_CATEGORY_BACK:
switch (mgmt->u.action.u.addba_req.action_code) {
@@ -1632,8 +1640,6 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev,
{
int keyidx;
unsigned int hdrlen;
- DECLARE_MAC_BUF(mac);
- DECLARE_MAC_BUF(mac2);
hdrlen = ieee80211_hdrlen(hdr->frame_control);
if (rx->skb->len >= hdrlen + 4)
@@ -1854,10 +1860,15 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
if (!(sdata->dev->flags & IFF_PROMISC))
return 0;
rx->flags &= ~IEEE80211_RX_RA_MATCH;
- } else if (!rx->sta)
- rx->sta = ieee80211_ibss_add_sta(sdata, rx->skb,
- bssid, hdr->addr2,
- BIT(rx->status->rate_idx));
+ } else if (!rx->sta) {
+ int rate_idx;
+ if (rx->status->flag & RX_FLAG_HT)
+ rate_idx = 0; /* TODO: HT rates */
+ else
+ rate_idx = rx->status->rate_idx;
+ rx->sta = ieee80211_ibss_add_sta(sdata, bssid, hdr->addr2,
+ BIT(rate_idx));
+ }
break;
case NL80211_IFTYPE_MESH_POINT:
if (!multicast &&
@@ -2002,17 +2013,17 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
static inline int seq_less(u16 sq1, u16 sq2)
{
- return (((sq1 - sq2) & SEQ_MASK) > (SEQ_MODULO >> 1));
+ return ((sq1 - sq2) & SEQ_MASK) > (SEQ_MODULO >> 1);
}
static inline u16 seq_inc(u16 sq)
{
- return ((sq + 1) & SEQ_MASK);
+ return (sq + 1) & SEQ_MASK;
}
static inline u16 seq_sub(u16 sq1, u16 sq2)
{
- return ((sq1 - sq2) & SEQ_MASK);
+ return (sq1 - sq2) & SEQ_MASK;
}
@@ -2020,10 +2031,11 @@ static inline u16 seq_sub(u16 sq1, u16 sq2)
* As it function blongs to Rx path it must be called with
* the proper rcu_read_lock protection for its flow.
*/
-u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
- struct tid_ampdu_rx *tid_agg_rx,
- struct sk_buff *skb, u16 mpdu_seq_num,
- int bar_req)
+static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
+ struct tid_ampdu_rx *tid_agg_rx,
+ struct sk_buff *skb,
+ u16 mpdu_seq_num,
+ int bar_req)
{
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_rx_status status;
@@ -2062,7 +2074,13 @@ u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
tid_agg_rx->reorder_buf[index]->cb,
sizeof(status));
sband = local->hw.wiphy->bands[status.band];
- rate = &sband->bitrates[status.rate_idx];
+ if (status.flag & RX_FLAG_HT) {
+ /* TODO: HT rates */
+ rate = sband->bitrates;
+ } else {
+ rate = &sband->bitrates
+ [status.rate_idx];
+ }
__ieee80211_rx_handle_packet(hw,
tid_agg_rx->reorder_buf[index],
&status, rate);
@@ -2106,7 +2124,10 @@ u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
memcpy(&status, tid_agg_rx->reorder_buf[index]->cb,
sizeof(status));
sband = local->hw.wiphy->bands[status.band];
- rate = &sband->bitrates[status.rate_idx];
+ if (status.flag & RX_FLAG_HT)
+ rate = sband->bitrates; /* TODO: HT rates */
+ else
+ rate = &sband->bitrates[status.rate_idx];
__ieee80211_rx_handle_packet(hw, tid_agg_rx->reorder_buf[index],
&status, rate);
tid_agg_rx->stored_mpdu_num--;
@@ -2194,15 +2215,26 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
}
sband = local->hw.wiphy->bands[status->band];
-
- if (!sband ||
- status->rate_idx < 0 ||
- status->rate_idx >= sband->n_bitrates) {
+ if (!sband) {
WARN_ON(1);
return;
}
- rate = &sband->bitrates[status->rate_idx];
+ if (status->flag & RX_FLAG_HT) {
+ /* rate_idx is MCS index */
+ if (WARN_ON(status->rate_idx < 0 ||
+ status->rate_idx >= 76))
+ return;
+ /* HT rates are not in the table - use the highest legacy rate
+ * for now since other parts of mac80211 may not yet be fully
+ * MCS aware. */
+ rate = &sband->bitrates[sband->n_bitrates - 1];
+ } else {
+ if (WARN_ON(status->rate_idx < 0 ||
+ status->rate_idx >= sband->n_bitrates))
+ return;
+ rate = &sband->bitrates[status->rate_idx];
+ }
/*
* key references and virtual interfaces are protected using RCU
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 416bb41..f5c7c33 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -159,7 +159,7 @@ ieee80211_rx_mesh_bss_add(struct ieee80211_local *local, u8 *mesh_id, int mesh_i
{
struct ieee80211_bss *bss;
- if (mesh_config_len != MESH_CFG_LEN)
+ if (mesh_config_len != IEEE80211_MESH_CONFIG_LEN)
return NULL;
bss = kzalloc(sizeof(*bss), GFP_ATOMIC);
@@ -448,18 +448,17 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw)
if (local->hw_scanning) {
local->hw_scanning = false;
- if (ieee80211_hw_config(local))
- printk(KERN_DEBUG "%s: failed to restore operational "
- "channel after scan\n", wiphy_name(local->hw.wiphy));
-
+ /*
+ * Somebody might have requested channel change during scan
+ * that we won't have acted upon, try now. ieee80211_hw_config
+ * will set the flag based on actual changes.
+ */
+ ieee80211_hw_config(local, 0);
goto done;
}
local->sw_scanning = false;
- if (ieee80211_hw_config(local))
- printk(KERN_DEBUG "%s: failed to restore operational "
- "channel after scan\n", wiphy_name(local->hw.wiphy));
-
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
netif_tx_lock_bh(local->mdev);
netif_addr_lock(local->mdev);
@@ -546,12 +545,9 @@ void ieee80211_scan_work(struct work_struct *work)
if (!skip) {
local->scan_channel = chan;
- if (ieee80211_hw_config(local)) {
- printk(KERN_DEBUG "%s: failed to set freq to "
- "%d MHz for scan\n", wiphy_name(local->hw.wiphy),
- chan->center_freq);
+ if (ieee80211_hw_config(local,
+ IEEE80211_CONF_CHANGE_CHANNEL))
skip = 1;
- }
}
/* advance state machine to next channel/band */
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index d254446..10c5539 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -137,14 +137,12 @@ struct sta_info *sta_info_get_by_idx(struct ieee80211_local *local, int idx,
static void __sta_info_free(struct ieee80211_local *local,
struct sta_info *sta)
{
- DECLARE_MAC_BUF(mbuf);
-
rate_control_free_sta(sta);
rate_control_put(sta->rate_ctrl);
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: Destroyed STA %s\n",
- wiphy_name(local->hw.wiphy), print_mac(mbuf, sta->sta.addr));
+ printk(KERN_DEBUG "%s: Destroyed STA %pM\n",
+ wiphy_name(local->hw.wiphy), sta->sta.addr);
#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
kfree(sta);
@@ -222,7 +220,6 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
int i;
- DECLARE_MAC_BUF(mbuf);
sta = kzalloc(sizeof(*sta) + local->hw.sta_data_size, gfp);
if (!sta)
@@ -263,8 +260,8 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
skb_queue_head_init(&sta->tx_filtered);
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: Allocated STA %s\n",
- wiphy_name(local->hw.wiphy), print_mac(mbuf, sta->sta.addr));
+ printk(KERN_DEBUG "%s: Allocated STA %pM\n",
+ wiphy_name(local->hw.wiphy), sta->sta.addr);
#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
#ifdef CONFIG_MAC80211_MESH
@@ -281,7 +278,6 @@ int sta_info_insert(struct sta_info *sta)
struct ieee80211_sub_if_data *sdata = sta->sdata;
unsigned long flags;
int err = 0;
- DECLARE_MAC_BUF(mac);
/*
* Can't be a WARN_ON because it can be triggered through a race:
@@ -294,7 +290,7 @@ int sta_info_insert(struct sta_info *sta)
}
if (WARN_ON(compare_ether_addr(sta->sta.addr, sdata->dev->dev_addr) == 0 ||
- is_multicast_ether_addr(sta->sta.addr))) {
+ is_multicast_ether_addr(sta->sta.addr))) {
err = -EINVAL;
goto out_free;
}
@@ -322,8 +318,8 @@ int sta_info_insert(struct sta_info *sta)
}
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: Inserted STA %s\n",
- wiphy_name(local->hw.wiphy), print_mac(mac, sta->sta.addr));
+ printk(KERN_DEBUG "%s: Inserted STA %pM\n",
+ wiphy_name(local->hw.wiphy), sta->sta.addr);
#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
spin_unlock_irqrestore(&local->sta_lock, flags);
@@ -423,9 +419,6 @@ static void __sta_info_unlink(struct sta_info **sta)
{
struct ieee80211_local *local = (*sta)->local;
struct ieee80211_sub_if_data *sdata = (*sta)->sdata;
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- DECLARE_MAC_BUF(mbuf);
-#endif
/*
* pull caller's reference if we're already gone.
*/
@@ -468,8 +461,8 @@ static void __sta_info_unlink(struct sta_info **sta)
}
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: Removed STA %s\n",
- wiphy_name(local->hw.wiphy), print_mac(mbuf, (*sta)->sta.addr));
+ printk(KERN_DEBUG "%s: Removed STA %pM\n",
+ wiphy_name(local->hw.wiphy), (*sta)->sta.addr);
#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
/*
@@ -544,7 +537,6 @@ static void sta_info_cleanup_expire_buffered(struct ieee80211_local *local,
unsigned long flags;
struct sk_buff *skb;
struct ieee80211_sub_if_data *sdata;
- DECLARE_MAC_BUF(mac);
if (skb_queue_empty(&sta->ps_tx_buf))
return;
@@ -564,8 +556,8 @@ static void sta_info_cleanup_expire_buffered(struct ieee80211_local *local,
sdata = sta->sdata;
local->total_ps_buffered--;
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- printk(KERN_DEBUG "Buffered frame expired (STA "
- "%s)\n", print_mac(mac, sta->sta.addr));
+ printk(KERN_DEBUG "Buffered frame expired (STA %pM)\n",
+ sta->sta.addr);
#endif
dev_kfree_skb(skb);
@@ -809,15 +801,14 @@ void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sta_info *sta, *tmp;
LIST_HEAD(tmp_list);
- DECLARE_MAC_BUF(mac);
unsigned long flags;
spin_lock_irqsave(&local->sta_lock, flags);
list_for_each_entry_safe(sta, tmp, &local->sta_list, list)
if (time_after(jiffies, sta->last_rx + exp_time)) {
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: expiring inactive STA %s\n",
- sdata->dev->name, print_mac(mac, sta->sta.addr));
+ printk(KERN_DEBUG "%s: expiring inactive STA %pM\n",
+ sdata->dev->name, sta->sta.addr);
#endif
__sta_info_unlink(&sta);
if (sta)
@@ -830,7 +821,7 @@ void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
}
struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_hw *hw,
- const u8 *addr)
+ const u8 *addr)
{
struct sta_info *sta = sta_info_get(hw_to_local(hw), addr);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 168a39a..dc2606d 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -160,18 +160,17 @@ struct sta_ampdu_mlme {
* @list: global linked list entry
* @hnext: hash table linked list pointer
* @local: pointer to the global information
- * @sdata: TBD
- * @key: TBD
- * @rate_ctrl: TBD
- * @rate_ctrl_priv: TBD
+ * @sdata: virtual interface this station belongs to
+ * @key: peer key negotiated with this station, if any
+ * @rate_ctrl: rate control algorithm reference
+ * @rate_ctrl_priv: rate control private per-STA pointer
+ * @last_tx_rate: rate used for last transmit, to report to userspace as
+ * "the" transmit rate
* @lock: used for locking all fields that require locking, see comments
* in the header file.
* @flaglock: spinlock for flags accesses
- * @addr: MAC address of this STA
- * @aid: STA's unique AID (1..2007, 0 = not assigned yet),
- * only used in AP (and IBSS?) mode
- * @listen_interval: TBD
- * @pin_status: TBD
+ * @listen_interval: listen interval of this station, when we're acting as AP
+ * @pin_status: used internally for pinning a STA struct into memory
* @flags: STA flags, see &enum ieee80211_sta_info_flags
* @ps_tx_buf: buffer of frames to transmit to this station
* when it leaves power saving state
@@ -180,8 +179,8 @@ struct sta_ampdu_mlme {
* power saving state
* @rx_packets: Number of MSDUs received from this STA
* @rx_bytes: Number of bytes received from this STA
- * @wep_weak_iv_count: TBD
- * @last_rx: TBD
+ * @wep_weak_iv_count: number of weak WEP IVs received from this station
+ * @last_rx: time (in jiffies) when last frame was received from this STA
* @num_duplicates: number of duplicate frames received from this STA
* @rx_fragments: number of received MPDUs
* @rx_dropped: number of dropped MPDUs from this STA
@@ -189,26 +188,26 @@ struct sta_ampdu_mlme {
* @last_qual: qual of last received frame from this STA
* @last_noise: noise of last received frame from this STA
* @last_seq_ctrl: last received seq/frag number from this STA (per RX queue)
- * @tx_filtered_count: TBD
- * @tx_retry_failed: TBD
- * @tx_retry_count: TBD
+ * @tx_filtered_count: number of frames the hardware filtered for this STA
+ * @tx_retry_failed: number of frames that failed retry
+ * @tx_retry_count: total number of retries for frames to this STA
* @fail_avg: moving percentage of failed MSDUs
* @tx_packets: number of RX/TX MSDUs
- * @tx_bytes: TBD
+ * @tx_bytes: number of bytes transmitted to this STA
* @tx_fragments: number of transmitted MPDUs
- * @last_txrate_idx: Index of the last used transmit rate
- * @tid_seq: TBD
- * @ampdu_mlme: TBD
+ * @last_txrate: description of the last used transmit rate
+ * @tid_seq: per-TID sequence numbers for sending to this STA
+ * @ampdu_mlme: A-MPDU state machine state
* @timer_to_tid: identity mapping to ID timers
* @tid_to_tx_q: map tid to tx queue
* @llid: Local link ID
* @plid: Peer link ID
* @reason: Cancel reason on PLINK_HOLDING state
* @plink_retries: Retries in establishment
- * @ignore_plink_timer: TBD
- * @plink_state plink_state: TBD
- * @plink_timeout: TBD
- * @plink_timer: TBD
+ * @ignore_plink_timer: ignore the peer-link timer (used internally)
+ * @plink_state: peer link state
+ * @plink_timeout: timeout of peer link
+ * @plink_timer: peer link watch timer
* @debugfs: debug filesystem info
* @sta: station information we share with the driver
*/
@@ -267,7 +266,7 @@ struct sta_info {
unsigned long tx_packets;
unsigned long tx_bytes;
unsigned long tx_fragments;
- unsigned int last_txrate_idx;
+ struct ieee80211_tx_rate last_tx_rate;
u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1];
/*
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index 34b32bc..38fa111 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -263,10 +263,9 @@ int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm,
(iv32 == key->u.tkip.rx[queue].iv32 &&
iv16 <= key->u.tkip.rx[queue].iv16))) {
#ifdef CONFIG_MAC80211_TKIP_DEBUG
- DECLARE_MAC_BUF(mac);
printk(KERN_DEBUG "TKIP replay detected for RX frame from "
- "%s (RX IV (%04x,%02x) <= prev. IV (%04x,%02x)\n",
- print_mac(mac, ta),
+ "%pM (RX IV (%04x,%02x) <= prev. IV (%04x,%02x)\n",
+ ta,
iv32, iv16, key->u.tkip.rx[queue].iv32,
key->u.tkip.rx[queue].iv16);
#endif
@@ -287,9 +286,8 @@ int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm,
{
int i;
u8 key_offset = NL80211_TKIP_DATA_OFFSET_ENCR_KEY;
- DECLARE_MAC_BUF(mac);
- printk(KERN_DEBUG "TKIP decrypt: Phase1 TA=%s"
- " TK=", print_mac(mac, ta));
+ printk(KERN_DEBUG "TKIP decrypt: Phase1 TA=%pM"
+ " TK=", ta);
for (i = 0; i < 16; i++)
printk("%02x ",
key->conf.key[key_offset + i]);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 1460537..a4af3a124 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -46,13 +46,20 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr,
struct ieee80211_local *local = tx->local;
struct ieee80211_supported_band *sband;
struct ieee80211_hdr *hdr;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
+
+ /* assume HW handles this */
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS)
+ return 0;
+
+ /* uh huh? */
+ if (WARN_ON_ONCE(info->control.rates[0].idx < 0))
+ return 0;
sband = local->hw.wiphy->bands[tx->channel->band];
- txrate = &sband->bitrates[tx->rate_idx];
+ txrate = &sband->bitrates[info->control.rates[0].idx];
- erp = 0;
- if (tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
- erp = txrate->flags & IEEE80211_RATE_ERP_G;
+ erp = txrate->flags & IEEE80211_RATE_ERP_G;
/*
* data and mgmt (except PS Poll):
@@ -116,7 +123,7 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr,
if (r->bitrate > txrate->bitrate)
break;
- if (tx->sdata->bss_conf.basic_rates & BIT(i))
+ if (tx->sdata->vif.bss_conf.basic_rates & BIT(i))
rate = r->bitrate;
switch (sband->band) {
@@ -150,7 +157,7 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr,
* to closest integer */
dur = ieee80211_frame_duration(local, 10, rate, erp,
- tx->sdata->bss_conf.use_short_preamble);
+ tx->sdata->vif.bss_conf.use_short_preamble);
if (next_frag_len) {
/* Frame is fragmented: duration increases with time needed to
@@ -159,7 +166,7 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr,
/* next fragment */
dur += ieee80211_frame_duration(local, next_frag_len,
txrate->bitrate, erp,
- tx->sdata->bss_conf.use_short_preamble);
+ tx->sdata->vif.bss_conf.use_short_preamble);
}
return cpu_to_le16(dur);
@@ -201,10 +208,9 @@ ieee80211_tx_h_check_assoc(struct ieee80211_tx_data *tx)
tx->sdata->vif.type != NL80211_IFTYPE_ADHOC &&
ieee80211_is_data(hdr->frame_control))) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- DECLARE_MAC_BUF(mac);
printk(KERN_DEBUG "%s: dropped data frame to not "
- "associated station %s\n",
- tx->dev->name, print_mac(mac, hdr->addr1));
+ "associated station %pM\n",
+ tx->dev->name, hdr->addr1);
#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
I802_DEBUG_INC(tx->local->tx_handlers_drop_not_assoc);
return TX_DROP;
@@ -331,7 +337,6 @@ ieee80211_tx_h_unicast_ps_buf(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;
u32 staflags;
- DECLARE_MAC_BUF(mac);
if (unlikely(!sta || ieee80211_is_probe_resp(hdr->frame_control)))
return TX_CONTINUE;
@@ -341,9 +346,9 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
if (unlikely((staflags & WLAN_STA_PS) &&
!(staflags & WLAN_STA_PSPOLL))) {
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- printk(KERN_DEBUG "STA %s aid %d: PS buffer (entries "
+ printk(KERN_DEBUG "STA %pM aid %d: PS buffer (entries "
"before %d)\n",
- print_mac(mac, sta->sta.addr), sta->sta.aid,
+ sta->sta.addr, sta->sta.aid,
skb_queue_len(&sta->ps_tx_buf));
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER)
@@ -352,9 +357,9 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
struct sk_buff *old = skb_dequeue(&sta->ps_tx_buf);
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: STA %s TX "
+ printk(KERN_DEBUG "%s: STA %pM TX "
"buffer full - dropping oldest frame\n",
- tx->dev->name, print_mac(mac, sta->sta.addr));
+ tx->dev->name, sta->sta.addr);
}
#endif
dev_kfree_skb(old);
@@ -371,9 +376,9 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
}
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
else if (unlikely(test_sta_flags(sta, WLAN_STA_PS))) {
- printk(KERN_DEBUG "%s: STA %s in PS mode, but pspoll "
+ printk(KERN_DEBUG "%s: STA %pM in PS mode, but pspoll "
"set -> send frame\n", tx->dev->name,
- print_mac(mac, sta->sta.addr));
+ sta->sta.addr);
}
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
clear_sta_flags(sta, WLAN_STA_PSPOLL);
@@ -439,140 +444,154 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
static ieee80211_tx_result debug_noinline
ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
{
- struct rate_selection rsel;
- struct ieee80211_supported_band *sband;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
+ struct ieee80211_hdr *hdr = (void *)tx->skb->data;
+ struct ieee80211_supported_band *sband;
+ struct ieee80211_rate *rate;
+ int i, len;
+ bool inval = false, rts = false, short_preamble = false;
+ struct ieee80211_tx_rate_control txrc;
- sband = tx->local->hw.wiphy->bands[tx->channel->band];
+ memset(&txrc, 0, sizeof(txrc));
- if (likely(tx->rate_idx < 0)) {
- rate_control_get_rate(tx->sdata, sband, tx->sta,
- tx->skb, &rsel);
- if (tx->sta)
- tx->sta->last_txrate_idx = rsel.rate_idx;
- tx->rate_idx = rsel.rate_idx;
- if (unlikely(rsel.probe_idx >= 0)) {
- info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
- tx->flags |= IEEE80211_TX_PROBE_LAST_FRAG;
- info->control.retries[0].rate_idx = tx->rate_idx;
- info->control.retries[0].limit = tx->local->hw.max_altrate_tries;
- tx->rate_idx = rsel.probe_idx;
- } else if (info->control.retries[0].limit == 0)
- info->control.retries[0].rate_idx = -1;
-
- if (unlikely(tx->rate_idx < 0))
- return TX_DROP;
- } else
- info->control.retries[0].rate_idx = -1;
+ sband = tx->local->hw.wiphy->bands[tx->channel->band];
- if (tx->sdata->bss_conf.use_cts_prot &&
- (tx->flags & IEEE80211_TX_FRAGMENTED) && (rsel.nonerp_idx >= 0)) {
- tx->last_frag_rate_idx = tx->rate_idx;
- if (rsel.probe_idx >= 0)
- tx->flags &= ~IEEE80211_TX_PROBE_LAST_FRAG;
- else
- tx->flags |= IEEE80211_TX_PROBE_LAST_FRAG;
- tx->rate_idx = rsel.nonerp_idx;
- info->tx_rate_idx = rsel.nonerp_idx;
- info->flags &= ~IEEE80211_TX_CTL_RATE_CTRL_PROBE;
- } else {
- tx->last_frag_rate_idx = tx->rate_idx;
- info->tx_rate_idx = tx->rate_idx;
+ len = min_t(int, tx->skb->len + FCS_LEN,
+ tx->local->fragmentation_threshold);
+
+ /* set up the tx rate control struct we give the RC algo */
+ txrc.hw = local_to_hw(tx->local);
+ txrc.sband = sband;
+ txrc.bss_conf = &tx->sdata->vif.bss_conf;
+ txrc.skb = tx->skb;
+ txrc.reported_rate.idx = -1;
+ txrc.max_rate_idx = tx->sdata->max_ratectrl_rateidx;
+
+ /* set up RTS protection if desired */
+ if (tx->local->rts_threshold < IEEE80211_MAX_RTS_THRESHOLD &&
+ len > tx->local->rts_threshold) {
+ txrc.rts = rts = true;
}
- info->tx_rate_idx = tx->rate_idx;
- return TX_CONTINUE;
-}
+ /*
+ * Use short preamble if the BSS can handle it, but not for
+ * management frames unless we know the receiver can handle
+ * that -- the management frame might be to a station that
+ * just wants a probe response.
+ */
+ if (tx->sdata->vif.bss_conf.use_short_preamble &&
+ (ieee80211_is_data(hdr->frame_control) ||
+ (tx->sta && test_sta_flags(tx->sta, WLAN_STA_SHORT_PREAMBLE))))
+ txrc.short_preamble = short_preamble = true;
-static ieee80211_tx_result debug_noinline
-ieee80211_tx_h_misc(struct ieee80211_tx_data *tx)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
- struct ieee80211_supported_band *sband;
- sband = tx->local->hw.wiphy->bands[tx->channel->band];
+ rate_control_get_rate(tx->sdata, tx->sta, &txrc);
+
+ if (unlikely(info->control.rates[0].idx < 0))
+ return TX_DROP;
+
+ if (txrc.reported_rate.idx < 0)
+ txrc.reported_rate = info->control.rates[0];
if (tx->sta)
- info->control.sta = &tx->sta->sta;
+ tx->sta->last_tx_rate = txrc.reported_rate;
- if (!info->control.retry_limit) {
- if (!is_multicast_ether_addr(hdr->addr1)) {
- int len = min_t(int, tx->skb->len + FCS_LEN,
- tx->local->fragmentation_threshold);
- if (len > tx->local->rts_threshold
- && tx->local->rts_threshold <
- IEEE80211_MAX_RTS_THRESHOLD) {
- info->flags |= IEEE80211_TX_CTL_USE_RTS_CTS;
- info->flags |=
- IEEE80211_TX_CTL_LONG_RETRY_LIMIT;
- info->control.retry_limit =
- tx->local->long_retry_limit;
- } else {
- info->control.retry_limit =
- tx->local->short_retry_limit;
- }
- } else {
- info->control.retry_limit = 1;
- }
- }
+ if (unlikely(!info->control.rates[0].count))
+ info->control.rates[0].count = 1;
- if (tx->flags & IEEE80211_TX_FRAGMENTED) {
- /* Do not use multiple retry rates when sending fragmented
- * frames.
- * TODO: The last fragment could still use multiple retry
- * rates. */
- info->control.retries[0].rate_idx = -1;
+ if (is_multicast_ether_addr(hdr->addr1)) {
+ /*
+ * XXX: verify the rate is in the basic rateset
+ */
+ return TX_CONTINUE;
}
- /* Use CTS protection for unicast frames sent using extended rates if
- * there are associated non-ERP stations and RTS/CTS is not configured
- * for the frame. */
- if ((tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) &&
- (sband->bitrates[tx->rate_idx].flags & IEEE80211_RATE_ERP_G) &&
- (tx->flags & IEEE80211_TX_UNICAST) &&
- tx->sdata->bss_conf.use_cts_prot &&
- !(info->flags & IEEE80211_TX_CTL_USE_RTS_CTS))
- info->flags |= IEEE80211_TX_CTL_USE_CTS_PROTECT;
-
- /* Transmit data frames using short preambles if the driver supports
- * short preambles at the selected rate and short preambles are
- * available on the network at the current point in time. */
- if (ieee80211_is_data(hdr->frame_control) &&
- (sband->bitrates[tx->rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE) &&
- tx->sdata->bss_conf.use_short_preamble &&
- (!tx->sta || test_sta_flags(tx->sta, WLAN_STA_SHORT_PREAMBLE))) {
- info->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE;
+ /*
+ * set up the RTS/CTS rate as the fastest basic rate
+ * that is not faster than the data rate
+ *
+ * XXX: Should this check all retry rates?
+ */
+ if (!(info->control.rates[0].flags & IEEE80211_TX_RC_MCS)) {
+ s8 baserate = 0;
+
+ rate = &sband->bitrates[info->control.rates[0].idx];
+
+ for (i = 0; i < sband->n_bitrates; i++) {
+ /* must be a basic rate */
+ if (!(tx->sdata->vif.bss_conf.basic_rates & BIT(i)))
+ continue;
+ /* must not be faster than the data rate */
+ if (sband->bitrates[i].bitrate > rate->bitrate)
+ continue;
+ /* maximum */
+ if (sband->bitrates[baserate].bitrate <
+ sband->bitrates[i].bitrate)
+ baserate = i;
+ }
+
+ info->control.rts_cts_rate_idx = baserate;
}
- if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) ||
- (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)) {
- struct ieee80211_rate *rate;
- s8 baserate = -1;
- int idx;
+ for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+ /*
+ * make sure there's no valid rate following
+ * an invalid one, just in case drivers don't
+ * take the API seriously to stop at -1.
+ */
+ if (inval) {
+ info->control.rates[i].idx = -1;
+ continue;
+ }
+ if (info->control.rates[i].idx < 0) {
+ inval = true;
+ continue;
+ }
- /* Do not use multiple retry rates when using RTS/CTS */
- info->control.retries[0].rate_idx = -1;
+ /*
+ * For now assume MCS is already set up correctly, this
+ * needs to be fixed.
+ */
+ if (info->control.rates[i].flags & IEEE80211_TX_RC_MCS) {
+ WARN_ON(info->control.rates[i].idx > 76);
+ continue;
+ }
- /* Use min(data rate, max base rate) as CTS/RTS rate */
- rate = &sband->bitrates[tx->rate_idx];
+ /* set up RTS protection if desired */
+ if (rts)
+ info->control.rates[i].flags |=
+ IEEE80211_TX_RC_USE_RTS_CTS;
- for (idx = 0; idx < sband->n_bitrates; idx++) {
- if (sband->bitrates[idx].bitrate > rate->bitrate)
- continue;
- if (tx->sdata->bss_conf.basic_rates & BIT(idx) &&
- (baserate < 0 ||
- (sband->bitrates[baserate].bitrate
- < sband->bitrates[idx].bitrate)))
- baserate = idx;
+ /* RC is busted */
+ if (WARN_ON_ONCE(info->control.rates[i].idx >=
+ sband->n_bitrates)) {
+ info->control.rates[i].idx = -1;
+ continue;
}
- if (baserate >= 0)
- info->control.rts_cts_rate_idx = baserate;
- else
- info->control.rts_cts_rate_idx = 0;
+ rate = &sband->bitrates[info->control.rates[i].idx];
+
+ /* set up short preamble */
+ if (short_preamble &&
+ rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
+ info->control.rates[i].flags |=
+ IEEE80211_TX_RC_USE_SHORT_PREAMBLE;
+
+ /* set up G protection */
+ if (!rts && tx->sdata->vif.bss_conf.use_cts_prot &&
+ rate->flags & IEEE80211_RATE_ERP_G)
+ info->control.rates[i].flags |=
+ IEEE80211_TX_RC_USE_CTS_PROTECT;
}
+ return TX_CONTINUE;
+}
+
+static ieee80211_tx_result debug_noinline
+ieee80211_tx_h_misc(struct ieee80211_tx_data *tx)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
+
if (tx->sta)
info->control.sta = &tx->sta->sta;
@@ -602,8 +621,18 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx)
if (ieee80211_hdrlen(hdr->frame_control) < 24)
return TX_CONTINUE;
+ /*
+ * Anything but QoS data that has a sequence number field
+ * (is long enough) gets a sequence number from the global
+ * counter.
+ */
if (!ieee80211_is_data_qos(hdr->frame_control)) {
+ /* driver should assign sequence number */
info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ;
+ /* for pure STA mode without beacons, we can do it */
+ hdr->seq_ctrl = cpu_to_le16(tx->sdata->sequence_number);
+ tx->sdata->sequence_number += 0x10;
+ tx->sdata->sequence_number &= IEEE80211_SCTL_SEQ;
return TX_CONTINUE;
}
@@ -632,6 +661,7 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx)
static ieee80211_tx_result debug_noinline
ieee80211_tx_h_fragment(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;
size_t hdrlen, per_fragm, num_fragm, payload_len, left;
struct sk_buff **frags, *first, *frag;
@@ -648,9 +678,7 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
* This scenario is handled in __ieee80211_tx_prepare but extra
* caution taken here as fragmented ampdu may cause Tx stop.
*/
- if (WARN_ON(tx->flags & IEEE80211_TX_CTL_AMPDU ||
- skb_get_queue_mapping(tx->skb) >=
- ieee80211_num_regular_queues(&tx->local->hw)))
+ if (WARN_ON(info->flags & IEEE80211_TX_CTL_AMPDU))
return TX_DROP;
first = tx->skb;
@@ -684,20 +712,45 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
IEEE80211_ENCRYPT_TAILROOM);
if (!frag)
goto fail;
+
/* Make sure that all fragments use the same priority so
* that they end up using the same TX queue */
frag->priority = first->priority;
+
skb_reserve(frag, tx->local->tx_headroom +
IEEE80211_ENCRYPT_HEADROOM);
+
+ /* copy TX information */
+ info = IEEE80211_SKB_CB(frag);
+ memcpy(info, first->cb, sizeof(frag->cb));
+
+ /* copy/fill in 802.11 header */
fhdr = (struct ieee80211_hdr *) skb_put(frag, hdrlen);
memcpy(fhdr, first->data, hdrlen);
- if (i == num_fragm - 2)
- fhdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_MOREFRAGS);
fhdr->seq_ctrl = cpu_to_le16(seq | ((i + 1) & IEEE80211_SCTL_FRAG));
+
+ if (i == num_fragm - 2) {
+ /* clear MOREFRAGS bit for the last fragment */
+ fhdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_MOREFRAGS);
+ } else {
+ /*
+ * No multi-rate retries for fragmented frames, that
+ * would completely throw off the NAV at other STAs.
+ */
+ info->control.rates[1].idx = -1;
+ info->control.rates[2].idx = -1;
+ info->control.rates[3].idx = -1;
+ info->control.rates[4].idx = -1;
+ BUILD_BUG_ON(IEEE80211_TX_MAX_RATES != 5);
+ info->flags &= ~IEEE80211_TX_CTL_RATE_CTRL_PROBE;
+ }
+
+ /* copy data */
copylen = left > per_fragm ? per_fragm : left;
memcpy(skb_put(frag, copylen), pos, copylen);
- memcpy(frag->cb, first->cb, sizeof(frag->cb));
+
skb_copy_queue_mapping(frag, first);
+
frag->do_not_encrypt = first->do_not_encrypt;
pos += copylen;
@@ -757,12 +810,10 @@ ieee80211_tx_h_calculate_duration(struct ieee80211_tx_data *tx)
tx->extra_frag[0]->len);
for (i = 0; i < tx->num_extra_frag; i++) {
- if (i + 1 < tx->num_extra_frag) {
+ if (i + 1 < tx->num_extra_frag)
next_len = tx->extra_frag[i + 1]->len;
- } else {
+ else
next_len = 0;
- tx->rate_idx = tx->last_frag_rate_idx;
- }
hdr = (struct ieee80211_hdr *)tx->extra_frag[i]->data;
hdr->duration_id = ieee80211_duration(tx, 0, next_len);
@@ -815,7 +866,6 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
(struct ieee80211_radiotap_header *) skb->data;
struct ieee80211_supported_band *sband;
int ret = ieee80211_radiotap_iterator_init(&iterator, rthdr, skb->len);
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
sband = tx->local->hw.wiphy->bands[tx->channel->band];
@@ -829,8 +879,6 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
*/
while (!ret) {
- int i, target_rate;
-
ret = ieee80211_radiotap_iterator_next(&iterator);
if (ret)
@@ -844,38 +892,6 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
* get_unaligned((type *)iterator.this_arg) to dereference
* iterator.this_arg for type "type" safely on all arches.
*/
- case IEEE80211_RADIOTAP_RATE:
- /*
- * radiotap rate u8 is in 500kbps units eg, 0x02=1Mbps
- * ieee80211 rate int is in 100kbps units eg, 0x0a=1Mbps
- */
- target_rate = (*iterator.this_arg) * 5;
- for (i = 0; i < sband->n_bitrates; i++) {
- struct ieee80211_rate *r;
-
- r = &sband->bitrates[i];
-
- if (r->bitrate == target_rate) {
- tx->rate_idx = i;
- break;
- }
- }
- break;
-
- case IEEE80211_RADIOTAP_ANTENNA:
- /*
- * radiotap uses 0 for 1st ant, mac80211 is 1 for
- * 1st ant
- */
- info->antenna_sel_tx = (*iterator.this_arg) + 1;
- break;
-
-#if 0
- case IEEE80211_RADIOTAP_DBM_TX_POWER:
- control->power_level = *iterator.this_arg;
- break;
-#endif
-
case IEEE80211_RADIOTAP_FLAGS:
if (*iterator.this_arg & IEEE80211_RADIOTAP_F_FCS) {
/*
@@ -933,7 +949,8 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
struct ieee80211_sub_if_data *sdata;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- int hdrlen;
+ int hdrlen, tid;
+ u8 *qc, *state;
memset(tx, 0, sizeof(*tx));
tx->skb = skb;
@@ -941,8 +958,6 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
tx->local = local;
tx->sdata = IEEE80211_DEV_TO_SUB_IF(dev);
tx->channel = local->hw.conf.channel;
- tx->rate_idx = -1;
- tx->last_frag_rate_idx = -1;
/*
* Set this flag (used below to indicate "automatic fragmentation"),
* it will be cleared/left by radiotap as desired.
@@ -966,6 +981,15 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
tx->sta = sta_info_get(local, hdr->addr1);
+ if (tx->sta && ieee80211_is_data_qos(hdr->frame_control)) {
+ qc = ieee80211_get_qos_ctl(hdr);
+ tid = *qc & IEEE80211_QOS_CTL_TID_MASK;
+
+ state = &tx->sta->ampdu_mlme.tid_state_tx[tid];
+ if (*state == HT_AGG_STATE_OPERATIONAL)
+ info->flags |= IEEE80211_TX_CTL_AMPDU;
+ }
+
if (is_multicast_ether_addr(hdr->addr1)) {
tx->flags &= ~IEEE80211_TX_UNICAST;
info->flags |= IEEE80211_TX_CTL_NO_ACK;
@@ -977,7 +1001,6 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
if (tx->flags & IEEE80211_TX_FRAGMENTED) {
if ((tx->flags & IEEE80211_TX_UNICAST) &&
skb->len + FCS_LEN > local->fragmentation_threshold &&
- !local->ops->set_frag_threshold &&
!(info->flags & IEEE80211_TX_CTL_AMPDU))
tx->flags |= IEEE80211_TX_FRAGMENTED;
else
@@ -1043,23 +1066,11 @@ static int __ieee80211_tx(struct ieee80211_local *local, struct sk_buff *skb,
if (!tx->extra_frag[i])
continue;
info = IEEE80211_SKB_CB(tx->extra_frag[i]);
- info->flags &= ~(IEEE80211_TX_CTL_USE_RTS_CTS |
- IEEE80211_TX_CTL_USE_CTS_PROTECT |
- IEEE80211_TX_CTL_CLEAR_PS_FILT |
+ info->flags &= ~(IEEE80211_TX_CTL_CLEAR_PS_FILT |
IEEE80211_TX_CTL_FIRST_FRAGMENT);
if (netif_subqueue_stopped(local->mdev,
tx->extra_frag[i]))
return IEEE80211_TX_FRAG_AGAIN;
- if (i == tx->num_extra_frag) {
- info->tx_rate_idx = tx->last_frag_rate_idx;
-
- if (tx->flags & IEEE80211_TX_PROBE_LAST_FRAG)
- info->flags |=
- IEEE80211_TX_CTL_RATE_CTRL_PROBE;
- else
- info->flags &=
- ~IEEE80211_TX_CTL_RATE_CTRL_PROBE;
- }
ret = local->ops->tx(local_to_hw(local),
tx->extra_frag[i]);
@@ -1168,7 +1179,7 @@ retry:
* queues, there's no reason for a driver to reject
* a frame there, warn and drop it.
*/
- if (WARN_ON(queue >= ieee80211_num_regular_queues(&local->hw)))
+ if (WARN_ON(info->flags & IEEE80211_TX_CTL_AMPDU))
goto drop;
store = &local->pending_packet[queue];
@@ -1196,9 +1207,6 @@ retry:
store->skb = skb;
store->extra_frag = tx.extra_frag;
store->num_extra_frag = tx.num_extra_frag;
- store->last_frag_rate_idx = tx.last_frag_rate_idx;
- store->last_frag_rate_ctrl_probe =
- !!(tx.flags & IEEE80211_TX_PROBE_LAST_FRAG);
}
out:
rcu_read_unlock();
@@ -1465,6 +1473,19 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
goto fail;
}
+ if (!(local->hw.flags & IEEE80211_HW_NO_STACK_DYNAMIC_PS) &&
+ local->dynamic_ps_timeout > 0) {
+ if (local->hw.conf.flags & IEEE80211_CONF_PS) {
+ ieee80211_stop_queues_by_reason(&local->hw,
+ IEEE80211_QUEUE_STOP_REASON_PS);
+ queue_work(local->hw.workqueue,
+ &local->dynamic_ps_disable_work);
+ }
+
+ mod_timer(&local->dynamic_ps_timer, jiffies +
+ msecs_to_jiffies(local->dynamic_ps_timeout));
+ }
+
nh_pos = skb_network_header(skb) - skb->data;
h_pos = skb_transport_header(skb) - skb->data;
@@ -1593,12 +1614,10 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
compare_ether_addr(dev->dev_addr,
skb->data + ETH_ALEN) == 0))) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- DECLARE_MAC_BUF(mac);
-
if (net_ratelimit())
- printk(KERN_DEBUG "%s: dropped frame to %s"
+ printk(KERN_DEBUG "%s: dropped frame to %pM"
" (unauthorized port)\n", dev->name,
- print_mac(mac, hdr.addr1));
+ hdr.addr1);
#endif
I802_DEBUG_INC(local->tx_handlers_drop_unauth_port);
@@ -1757,10 +1776,7 @@ void ieee80211_tx_pending(unsigned long data)
store = &local->pending_packet[i];
tx.extra_frag = store->extra_frag;
tx.num_extra_frag = store->num_extra_frag;
- tx.last_frag_rate_idx = store->last_frag_rate_idx;
tx.flags = 0;
- if (store->last_frag_rate_ctrl_probe)
- tx.flags |= IEEE80211_TX_PROBE_LAST_FRAG;
ret = __ieee80211_tx(local, store->skb, &tx);
if (ret) {
if (ret == IEEE80211_TX_FRAG_AGAIN)
@@ -1775,8 +1791,7 @@ void ieee80211_tx_pending(unsigned long data)
/* functions for drivers to get certain frames */
-static void ieee80211_beacon_add_tim(struct ieee80211_local *local,
- struct ieee80211_if_ap *bss,
+static void ieee80211_beacon_add_tim(struct ieee80211_if_ap *bss,
struct sk_buff *skb,
struct beacon_data *beacon)
{
@@ -1844,11 +1859,9 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
struct ieee80211_local *local = hw_to_local(hw);
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;
enum ieee80211_band band = local->hw.conf.channel->band;
@@ -1858,7 +1871,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
rcu_read_lock();
sdata = vif_to_sdata(vif);
- bdev = sdata->dev;
if (sdata->vif.type == NL80211_IFTYPE_AP) {
ap = &sdata->u.ap;
@@ -1886,12 +1898,12 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
* of the tim bitmap in mac80211 and the driver.
*/
if (local->tim_in_locked_section) {
- ieee80211_beacon_add_tim(local, ap, skb, beacon);
+ ieee80211_beacon_add_tim(ap, skb, beacon);
} else {
unsigned long flags;
spin_lock_irqsave(&local->sta_lock, flags);
- ieee80211_beacon_add_tim(local, ap, skb, beacon);
+ ieee80211_beacon_add_tim(ap, skb, beacon);
spin_unlock_irqrestore(&local->sta_lock, flags);
}
@@ -1952,33 +1964,23 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
skb->do_not_encrypt = 1;
info->band = band;
- rate_control_get_rate(sdata, sband, NULL, skb, &rsel);
-
- if (unlikely(rsel.rate_idx < 0)) {
- if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: ieee80211_beacon_get: "
- "no rate found\n",
- wiphy_name(local->hw.wiphy));
- }
- dev_kfree_skb_any(skb);
- skb = NULL;
- goto out;
- }
+ /*
+ * XXX: For now, always use the lowest rate
+ */
+ info->control.rates[0].idx = 0;
+ info->control.rates[0].count = 1;
+ info->control.rates[1].idx = -1;
+ info->control.rates[2].idx = -1;
+ info->control.rates[3].idx = -1;
+ info->control.rates[4].idx = -1;
+ BUILD_BUG_ON(IEEE80211_TX_MAX_RATES != 5);
info->control.vif = vif;
- info->tx_rate_idx = rsel.rate_idx;
info->flags |= IEEE80211_TX_CTL_NO_ACK;
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->control.retry_limit = 1;
-
-out:
+ out:
rcu_read_unlock();
return skb;
}
@@ -2023,14 +2025,12 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
struct sk_buff *skb = NULL;
struct sta_info *sta;
struct ieee80211_tx_data tx;
- struct net_device *bdev;
struct ieee80211_sub_if_data *sdata;
struct ieee80211_if_ap *bss = NULL;
struct beacon_data *beacon;
struct ieee80211_tx_info *info;
sdata = vif_to_sdata(vif);
- bdev = sdata->dev;
bss = &sdata->u.ap;
if (!bss)
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index cee4884..fb89e1d 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -239,7 +239,7 @@ __le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw,
erp = 0;
if (vif) {
sdata = vif_to_sdata(vif);
- short_preamble = sdata->bss_conf.use_short_preamble;
+ short_preamble = sdata->vif.bss_conf.use_short_preamble;
if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
erp = rate->flags & IEEE80211_RATE_ERP_G;
}
@@ -272,7 +272,7 @@ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw,
erp = 0;
if (vif) {
sdata = vif_to_sdata(vif);
- short_preamble = sdata->bss_conf.use_short_preamble;
+ short_preamble = sdata->vif.bss_conf.use_short_preamble;
if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
erp = rate->flags & IEEE80211_RATE_ERP_G;
}
@@ -312,7 +312,7 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
erp = 0;
if (vif) {
sdata = vif_to_sdata(vif);
- short_preamble = sdata->bss_conf.use_short_preamble;
+ short_preamble = sdata->vif.bss_conf.use_short_preamble;
if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
erp = rate->flags & IEEE80211_RATE_ERP_G;
}
@@ -330,10 +330,20 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
}
EXPORT_SYMBOL(ieee80211_ctstoself_duration);
-void ieee80211_wake_queue(struct ieee80211_hw *hw, int queue)
+static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
+ enum queue_stop_reason reason)
{
struct ieee80211_local *local = hw_to_local(hw);
+ /* we don't need to track ampdu queues */
+ if (queue < ieee80211_num_regular_queues(hw)) {
+ __clear_bit(reason, &local->queue_stop_reasons[queue]);
+
+ if (local->queue_stop_reasons[queue] != 0)
+ /* someone still has this queue stopped */
+ return;
+ }
+
if (test_bit(queue, local->queues_pending)) {
set_bit(queue, local->queues_pending_run);
tasklet_schedule(&local->tx_pending_tasklet);
@@ -341,22 +351,74 @@ void ieee80211_wake_queue(struct ieee80211_hw *hw, int queue)
netif_wake_subqueue(local->mdev, queue);
}
}
+
+void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
+ enum queue_stop_reason reason)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ unsigned long flags;
+
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+ __ieee80211_wake_queue(hw, queue, reason);
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+}
+
+void ieee80211_wake_queue(struct ieee80211_hw *hw, int queue)
+{
+ ieee80211_wake_queue_by_reason(hw, queue,
+ IEEE80211_QUEUE_STOP_REASON_DRIVER);
+}
EXPORT_SYMBOL(ieee80211_wake_queue);
-void ieee80211_stop_queue(struct ieee80211_hw *hw, int queue)
+static void __ieee80211_stop_queue(struct ieee80211_hw *hw, int queue,
+ enum queue_stop_reason reason)
{
struct ieee80211_local *local = hw_to_local(hw);
+ /* we don't need to track ampdu queues */
+ if (queue < ieee80211_num_regular_queues(hw))
+ __set_bit(reason, &local->queue_stop_reasons[queue]);
+
netif_stop_subqueue(local->mdev, queue);
}
+
+void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
+ enum queue_stop_reason reason)
+{
+ struct ieee80211_local *local = hw_to_local(hw);
+ unsigned long flags;
+
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+ __ieee80211_stop_queue(hw, queue, reason);
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+}
+
+void ieee80211_stop_queue(struct ieee80211_hw *hw, int queue)
+{
+ ieee80211_stop_queue_by_reason(hw, queue,
+ IEEE80211_QUEUE_STOP_REASON_DRIVER);
+}
EXPORT_SYMBOL(ieee80211_stop_queue);
-void ieee80211_stop_queues(struct ieee80211_hw *hw)
+void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
+ enum queue_stop_reason reason)
{
+ struct ieee80211_local *local = hw_to_local(hw);
+ unsigned long flags;
int i;
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+
for (i = 0; i < ieee80211_num_queues(hw); i++)
- ieee80211_stop_queue(hw, i);
+ __ieee80211_stop_queue(hw, i, reason);
+
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+}
+
+void ieee80211_stop_queues(struct ieee80211_hw *hw)
+{
+ ieee80211_stop_queues_by_reason(hw,
+ IEEE80211_QUEUE_STOP_REASON_DRIVER);
}
EXPORT_SYMBOL(ieee80211_stop_queues);
@@ -367,12 +429,24 @@ int ieee80211_queue_stopped(struct ieee80211_hw *hw, int queue)
}
EXPORT_SYMBOL(ieee80211_queue_stopped);
-void ieee80211_wake_queues(struct ieee80211_hw *hw)
+void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
+ enum queue_stop_reason reason)
{
+ struct ieee80211_local *local = hw_to_local(hw);
+ unsigned long flags;
int i;
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+
for (i = 0; i < hw->queues + hw->ampdu_queues; i++)
- ieee80211_wake_queue(hw, i);
+ __ieee80211_wake_queue(hw, i, reason);
+
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+}
+
+void ieee80211_wake_queues(struct ieee80211_hw *hw)
+{
+ ieee80211_wake_queues_by_reason(hw, IEEE80211_QUEUE_STOP_REASON_DRIVER);
}
EXPORT_SYMBOL(ieee80211_wake_queues);
@@ -532,8 +606,8 @@ void ieee802_11_parse_elems(u8 *start, size_t len,
if (elen >= sizeof(struct ieee80211_ht_cap))
elems->ht_cap_elem = (void *)pos;
break;
- case WLAN_EID_HT_EXTRA_INFO:
- if (elen >= sizeof(struct ieee80211_ht_addt_info))
+ case WLAN_EID_HT_INFORMATION:
+ if (elen >= sizeof(struct ieee80211_ht_info))
elems->ht_info_elem = (void *)pos;
break;
case WLAN_EID_MESH_ID:
@@ -638,19 +712,16 @@ int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freqMHz)
if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
- chan->flags & IEEE80211_CHAN_NO_IBSS) {
- printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
- "%d MHz\n", sdata->dev->name, chan->center_freq);
+ chan->flags & IEEE80211_CHAN_NO_IBSS)
return ret;
- }
local->oper_channel = chan;
+ local->oper_channel_type = NL80211_CHAN_NO_HT;
if (local->sw_scanning || local->hw_scanning)
ret = 0;
else
- ret = ieee80211_hw_config(local);
-
- rate_control_clear(local);
+ ret = ieee80211_hw_config(
+ local, IEEE80211_CONF_CHANGE_CHANNEL);
}
return ret;
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index f0e2d3e..7043ddc 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -17,6 +17,7 @@
#include <linux/err.h>
#include <linux/mm.h>
#include <linux/scatterlist.h>
+#include <asm/unaligned.h>
#include <net/mac80211.h>
#include "ieee80211_i.h"
@@ -49,17 +50,19 @@ void ieee80211_wep_free(struct ieee80211_local *local)
crypto_free_blkcipher(local->wep_rx_tfm);
}
-static inline int ieee80211_wep_weak_iv(u32 iv, int keylen)
+static inline bool ieee80211_wep_weak_iv(u32 iv, int keylen)
{
- /* Fluhrer, Mantin, and Shamir have reported weaknesses in the
+ /*
+ * Fluhrer, Mantin, and Shamir have reported weaknesses in the
* key scheduling algorithm of RC4. At least IVs (KeyByte + 3,
- * 0xff, N) can be used to speedup attacks, so avoid using them. */
+ * 0xff, N) can be used to speedup attacks, so avoid using them.
+ */
if ((iv & 0xff00) == 0xff00) {
u8 B = (iv >> 16) & 0xff;
if (B >= 3 && B < 3 + keylen)
- return 1;
+ return true;
}
- return 0;
+ return false;
}
@@ -123,10 +126,10 @@ void ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key,
{
struct blkcipher_desc desc = { .tfm = tfm };
struct scatterlist sg;
- __le32 *icv;
+ __le32 icv;
- icv = (__le32 *)(data + data_len);
- *icv = cpu_to_le32(~crc32_le(~0, data, data_len));
+ icv = cpu_to_le32(~crc32_le(~0, data, data_len));
+ put_unaligned(icv, (__le32 *)(data + data_len));
crypto_blkcipher_setkey(tfm, rc4key, klen);
sg_init_one(&sg, data, data_len + WEP_ICV_LEN);
@@ -268,7 +271,7 @@ int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb,
}
-u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key)
+bool ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
unsigned int hdrlen;
@@ -276,16 +279,13 @@ u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key)
u32 iv;
if (!ieee80211_has_protected(hdr->frame_control))
- return NULL;
+ return false;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
ivpos = skb->data + hdrlen;
iv = (ivpos[0] << 16) | (ivpos[1] << 8) | ivpos[2];
- if (ieee80211_wep_weak_iv(iv, key->conf.keylen))
- return ivpos;
-
- return NULL;
+ return ieee80211_wep_weak_iv(iv, key->conf.keylen);
}
ieee80211_rx_result
@@ -329,6 +329,8 @@ static int wep_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
ieee80211_tx_result
ieee80211_crypto_wep_encrypt(struct ieee80211_tx_data *tx)
{
+ int i;
+
ieee80211_tx_set_protected(tx);
if (wep_encrypt_skb(tx, tx->skb) < 0) {
@@ -337,9 +339,8 @@ ieee80211_crypto_wep_encrypt(struct ieee80211_tx_data *tx)
}
if (tx->extra_frag) {
- int i;
for (i = 0; i < tx->num_extra_frag; i++) {
- if (wep_encrypt_skb(tx, tx->extra_frag[i]) < 0) {
+ if (wep_encrypt_skb(tx, tx->extra_frag[i])) {
I802_DEBUG_INC(tx->local->
tx_handlers_drop_wep);
return TX_DROP;
diff --git a/net/mac80211/wep.h b/net/mac80211/wep.h
index e587172..d3f0db4 100644
--- a/net/mac80211/wep.h
+++ b/net/mac80211/wep.h
@@ -26,7 +26,7 @@ int ieee80211_wep_encrypt(struct ieee80211_local *local, struct sk_buff *skb,
struct ieee80211_key *key);
int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb,
struct ieee80211_key *key);
-u8 *ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key);
+bool ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key);
ieee80211_rx_result
ieee80211_crypto_wep_decrypt(struct ieee80211_rx_data *rx);
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index ab4ddba..7162d58 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -135,48 +135,6 @@ static int ieee80211_ioctl_siwgenie(struct net_device *dev,
return -EOPNOTSUPP;
}
-static int ieee80211_ioctl_giwname(struct net_device *dev,
- struct iw_request_info *info,
- char *name, char *extra)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_supported_band *sband;
- u8 is_ht = 0, is_a = 0, is_b = 0, is_g = 0;
-
-
- sband = local->hw.wiphy->bands[IEEE80211_BAND_5GHZ];
- if (sband) {
- is_a = 1;
- is_ht |= sband->ht_info.ht_supported;
- }
-
- sband = local->hw.wiphy->bands[IEEE80211_BAND_2GHZ];
- if (sband) {
- int i;
- /* Check for mandatory rates */
- for (i = 0; i < sband->n_bitrates; i++) {
- if (sband->bitrates[i].bitrate == 10)
- is_b = 1;
- if (sband->bitrates[i].bitrate == 60)
- is_g = 1;
- }
- is_ht |= sband->ht_info.ht_supported;
- }
-
- strcpy(name, "IEEE 802.11");
- if (is_a)
- strcat(name, "a");
- if (is_b)
- strcat(name, "b");
- if (is_g)
- strcat(name, "g");
- if (is_ht)
- strcat(name, "n");
-
- return 0;
-}
-
-
static int ieee80211_ioctl_giwrange(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *data, char *extra)
@@ -266,78 +224,6 @@ static int ieee80211_ioctl_giwrange(struct net_device *dev,
}
-static int ieee80211_ioctl_siwmode(struct net_device *dev,
- struct iw_request_info *info,
- __u32 *mode, char *extra)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_local *local = sdata->local;
- int type;
-
- if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
- return -EOPNOTSUPP;
-
- switch (*mode) {
- case IW_MODE_INFRA:
- type = NL80211_IFTYPE_STATION;
- break;
- case IW_MODE_ADHOC:
- /* Setting ad-hoc mode on non ibss channel is not
- * supported.
- */
- if (local->oper_channel &&
- (local->oper_channel->flags & IEEE80211_CHAN_NO_IBSS))
- return -EOPNOTSUPP;
-
- type = NL80211_IFTYPE_ADHOC;
- break;
- case IW_MODE_REPEAT:
- type = NL80211_IFTYPE_WDS;
- break;
- case IW_MODE_MONITOR:
- type = NL80211_IFTYPE_MONITOR;
- break;
- default:
- return -EINVAL;
- }
-
- return ieee80211_if_change_type(sdata, type);
-}
-
-
-static int ieee80211_ioctl_giwmode(struct net_device *dev,
- struct iw_request_info *info,
- __u32 *mode, char *extra)
-{
- struct ieee80211_sub_if_data *sdata;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_AP:
- *mode = IW_MODE_MASTER;
- break;
- case NL80211_IFTYPE_STATION:
- *mode = IW_MODE_INFRA;
- break;
- case NL80211_IFTYPE_ADHOC:
- *mode = IW_MODE_ADHOC;
- break;
- case NL80211_IFTYPE_MONITOR:
- *mode = IW_MODE_MONITOR;
- break;
- case NL80211_IFTYPE_WDS:
- *mode = IW_MODE_REPEAT;
- break;
- case NL80211_IFTYPE_AP_VLAN:
- *mode = IW_MODE_SECOND; /* FIXME */
- break;
- default:
- *mode = IW_MODE_AUTO;
- break;
- }
- return 0;
-}
-
static int ieee80211_ioctl_siwfreq(struct net_device *dev,
struct iw_request_info *info,
struct iw_freq *freq, char *extra)
@@ -415,13 +301,6 @@ static int ieee80211_ioctl_siwessid(struct net_device *dev,
return 0;
}
- if (sdata->vif.type == NL80211_IFTYPE_AP) {
- memcpy(sdata->u.ap.ssid, ssid, len);
- memset(sdata->u.ap.ssid + len, 0,
- IEEE80211_MAX_SSID_LEN - len);
- sdata->u.ap.ssid_len = len;
- return ieee80211_if_config(sdata, IEEE80211_IFCC_SSID);
- }
return -EOPNOTSUPP;
}
@@ -445,15 +324,6 @@ static int ieee80211_ioctl_giwessid(struct net_device *dev,
return res;
}
- if (sdata->vif.type == NL80211_IFTYPE_AP) {
- len = sdata->u.ap.ssid_len;
- if (len > IW_ESSID_MAX_SIZE)
- len = IW_ESSID_MAX_SIZE;
- memcpy(ssid, sdata->u.ap.ssid, len);
- data->length = len;
- data->flags = 1;
- return 0;
- }
return -EOPNOTSUPP;
}
@@ -548,8 +418,7 @@ static int ieee80211_ioctl_siwscan(struct net_device *dev,
if (sdata->vif.type != NL80211_IFTYPE_STATION &&
sdata->vif.type != NL80211_IFTYPE_ADHOC &&
- sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
- sdata->vif.type != NL80211_IFTYPE_AP)
+ sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
return -EOPNOTSUPP;
/* if SSID was specified explicitly then use that */
@@ -644,8 +513,8 @@ static int ieee80211_ioctl_giwrate(struct net_device *dev,
sta = sta_info_get(local, sdata->u.sta.bssid);
- if (sta && sta->last_txrate_idx < sband->n_bitrates)
- rate->value = sband->bitrates[sta->last_txrate_idx].bitrate;
+ if (sta && !(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS))
+ rate->value = sband->bitrates[sta->last_tx_rate.idx].bitrate;
else
rate->value = 0;
@@ -664,45 +533,35 @@ static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
union iwreq_data *data, char *extra)
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- bool need_reconfig = 0;
+ struct ieee80211_channel* chan = local->hw.conf.channel;
+ u32 reconf_flags = 0;
int new_power_level;
if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
return -EINVAL;
if (data->txpower.flags & IW_TXPOW_RANGE)
return -EINVAL;
+ if (!chan)
+ return -EINVAL;
- if (data->txpower.fixed) {
- new_power_level = data->txpower.value;
- } else {
- /*
- * Automatic power level. Use maximum power for the current
- * channel. Should be part of rate control.
- */
- struct ieee80211_channel* chan = local->hw.conf.channel;
- if (!chan)
- return -EINVAL;
-
+ if (data->txpower.fixed)
+ new_power_level = min(data->txpower.value, chan->max_power);
+ else /* Automatic power level setting */
new_power_level = chan->max_power;
- }
if (local->hw.conf.power_level != new_power_level) {
local->hw.conf.power_level = new_power_level;
- need_reconfig = 1;
+ reconf_flags |= IEEE80211_CONF_CHANGE_POWER;
}
if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
local->hw.conf.radio_enabled = !(data->txpower.disabled);
- need_reconfig = 1;
+ reconf_flags |= IEEE80211_CONF_CHANGE_RADIO_ENABLED;
ieee80211_led_radio(local, local->hw.conf.radio_enabled);
}
- if (need_reconfig) {
- ieee80211_hw_config(local);
- /* The return value of hw_config is not of big interest here,
- * as it doesn't say that it failed because of _this_ config
- * change or something else. Ignore it. */
- }
+ if (reconf_flags)
+ ieee80211_hw_config(local, reconf_flags);
return 0;
}
@@ -779,14 +638,6 @@ static int ieee80211_ioctl_siwfrag(struct net_device *dev,
local->fragmentation_threshold = frag->value & ~0x1;
}
- /* If the wlan card performs fragmentation in hardware/firmware,
- * configure it here */
-
- if (local->ops->set_frag_threshold)
- return local->ops->set_frag_threshold(
- local_to_hw(local),
- local->fragmentation_threshold);
-
return 0;
}
@@ -814,21 +665,16 @@ static int ieee80211_ioctl_siwretry(struct net_device *dev,
(retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
return -EINVAL;
- if (retry->flags & IW_RETRY_MAX)
- local->long_retry_limit = retry->value;
- else if (retry->flags & IW_RETRY_MIN)
- local->short_retry_limit = retry->value;
- else {
- local->long_retry_limit = retry->value;
- local->short_retry_limit = retry->value;
+ if (retry->flags & IW_RETRY_MAX) {
+ local->hw.conf.long_frame_max_tx_count = retry->value;
+ } else if (retry->flags & IW_RETRY_MIN) {
+ local->hw.conf.short_frame_max_tx_count = retry->value;
+ } else {
+ local->hw.conf.long_frame_max_tx_count = retry->value;
+ local->hw.conf.short_frame_max_tx_count = retry->value;
}
- if (local->ops->set_retry_limit) {
- return local->ops->set_retry_limit(
- local_to_hw(local),
- local->short_retry_limit,
- local->long_retry_limit);
- }
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
return 0;
}
@@ -845,14 +691,15 @@ static int ieee80211_ioctl_giwretry(struct net_device *dev,
/* first return min value, iwconfig will ask max value
* later if needed */
retry->flags |= IW_RETRY_LIMIT;
- retry->value = local->short_retry_limit;
- if (local->long_retry_limit != local->short_retry_limit)
+ retry->value = local->hw.conf.short_frame_max_tx_count;
+ if (local->hw.conf.long_frame_max_tx_count !=
+ local->hw.conf.short_frame_max_tx_count)
retry->flags |= IW_RETRY_MIN;
return 0;
}
if (retry->flags & IW_RETRY_MAX) {
retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
- retry->value = local->long_retry_limit;
+ retry->value = local->hw.conf.long_frame_max_tx_count;
}
return 0;
@@ -983,25 +830,56 @@ static int ieee80211_ioctl_siwpower(struct net_device *dev,
struct iw_param *wrq,
char *extra)
{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_conf *conf = &local->hw.conf;
+ int ret = 0, timeout = 0;
+ bool ps;
+
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ return -EINVAL;
if (wrq->disabled) {
- conf->flags &= ~IEEE80211_CONF_PS;
- return ieee80211_hw_config(local);
+ ps = false;
+ timeout = 0;
+ goto set;
}
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;
+ ps = true;
break;
- default: /* Otherwise we don't support it */
- return -EINVAL;
+ default: /* Otherwise we ignore */
+ break;
+ }
+
+ if (wrq->flags & IW_POWER_TIMEOUT)
+ timeout = wrq->value / 1000;
+
+set:
+ if (ps == local->powersave && timeout == local->dynamic_ps_timeout)
+ return ret;
+
+ local->powersave = ps;
+ local->dynamic_ps_timeout = timeout;
+
+ if (sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED) {
+ if (!(local->hw.flags & IEEE80211_HW_NO_STACK_DYNAMIC_PS) &&
+ local->dynamic_ps_timeout > 0)
+ mod_timer(&local->dynamic_ps_timer, jiffies +
+ msecs_to_jiffies(local->dynamic_ps_timeout));
+ else {
+ if (local->powersave)
+ conf->flags |= IEEE80211_CONF_PS;
+ else
+ conf->flags &= ~IEEE80211_CONF_PS;
+ }
+ ret = ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
}
- return ieee80211_hw_config(local);
+ return ret;
}
static int ieee80211_ioctl_giwpower(struct net_device *dev,
@@ -1010,9 +888,8 @@ static int ieee80211_ioctl_giwpower(struct net_device *dev,
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);
+ wrqu->power.disabled = !local->powersave;
return 0;
}
@@ -1176,13 +1053,13 @@ static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
static const iw_handler ieee80211_handler[] =
{
(iw_handler) NULL, /* SIOCSIWCOMMIT */
- (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */
+ (iw_handler) cfg80211_wext_giwname, /* SIOCGIWNAME */
(iw_handler) NULL, /* SIOCSIWNWID */
(iw_handler) NULL, /* SIOCGIWNWID */
(iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
(iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
- (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */
- (iw_handler) ieee80211_ioctl_giwmode, /* SIOCGIWMODE */
+ (iw_handler) cfg80211_wext_siwmode, /* SIOCSIWMODE */
+ (iw_handler) cfg80211_wext_giwmode, /* SIOCGIWMODE */
(iw_handler) NULL, /* SIOCSIWSENS */
(iw_handler) NULL, /* SIOCGIWSENS */
(iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 139b5f2..ac71b38 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -114,8 +114,8 @@ u16 ieee80211_select_queue(struct net_device *dev, struct sk_buff *skb)
{
struct ieee80211_master_priv *mpriv = netdev_priv(dev);
struct ieee80211_local *local = mpriv->local;
+ struct ieee80211_hw *hw = &local->hw;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct sta_info *sta;
u16 queue;
u8 tid;
@@ -124,21 +124,19 @@ u16 ieee80211_select_queue(struct net_device *dev, struct sk_buff *skb)
if (unlikely(queue >= local->hw.queues))
queue = local->hw.queues - 1;
- if (info->flags & IEEE80211_TX_CTL_REQUEUE) {
+ if (skb->requeue) {
+ if (!hw->ampdu_queues)
+ return queue;
+
rcu_read_lock();
sta = sta_info_get(local, hdr->addr1);
tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
if (sta) {
- struct ieee80211_hw *hw = &local->hw;
int ampdu_queue = sta->tid_to_tx_q[tid];
if ((ampdu_queue < ieee80211_num_queues(hw)) &&
- test_bit(ampdu_queue, local->queue_pool)) {
+ test_bit(ampdu_queue, local->queue_pool))
queue = ampdu_queue;
- info->flags |= IEEE80211_TX_CTL_AMPDU;
- } else {
- info->flags &= ~IEEE80211_TX_CTL_AMPDU;
- }
}
rcu_read_unlock();
@@ -159,20 +157,18 @@ u16 ieee80211_select_queue(struct net_device *dev, struct sk_buff *skb)
*p++ = ack_policy | tid;
*p = 0;
+ if (!hw->ampdu_queues)
+ return queue;
+
rcu_read_lock();
sta = sta_info_get(local, hdr->addr1);
if (sta) {
int ampdu_queue = sta->tid_to_tx_q[tid];
- struct ieee80211_hw *hw = &local->hw;
if ((ampdu_queue < ieee80211_num_queues(hw)) &&
- test_bit(ampdu_queue, local->queue_pool)) {
+ test_bit(ampdu_queue, local->queue_pool))
queue = ampdu_queue;
- info->flags |= IEEE80211_TX_CTL_AMPDU;
- } else {
- info->flags &= ~IEEE80211_TX_CTL_AMPDU;
- }
}
rcu_read_unlock();
@@ -206,13 +202,11 @@ int ieee80211_ht_agg_queue_add(struct ieee80211_local *local,
* on the previous queue
* since HT is strict in order */
#ifdef CONFIG_MAC80211_HT_DEBUG
- if (net_ratelimit()) {
- DECLARE_MAC_BUF(mac);
+ if (net_ratelimit())
printk(KERN_DEBUG "allocated aggregation queue"
- " %d tid %d addr %s pool=0x%lX\n",
- i, tid, print_mac(mac, sta->sta.addr),
+ " %d tid %d addr %pM pool=0x%lX\n",
+ i, tid, sta->sta.addr,
local->queue_pool[0]);
- }
#endif /* CONFIG_MAC80211_HT_DEBUG */
return 0;
}
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 6db6494..7aa63ca 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -49,8 +49,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_tx_data *tx)
!(tx->flags & IEEE80211_TX_FRAGMENTED) &&
!(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) &&
!wpa_test) {
- /* hwaccel - with no need for preallocated room for Michael MIC
- */
+ /* hwaccel - with no need for preallocated room for MMIC */
return TX_CONTINUE;
}
@@ -67,8 +66,6 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_tx_data *tx)
#else
authenticator = 1;
#endif
- /* At this point we know we're using ALG_TKIP. To get the MIC key
- * we now will rely on the offset from the ieee80211_key_conf::key */
key_offset = authenticator ?
NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY :
NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY;
@@ -90,11 +87,8 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
u8 mic[MICHAEL_MIC_LEN];
struct sk_buff *skb = rx->skb;
int authenticator = 1, wpa_test = 0;
- DECLARE_MAC_BUF(mac);
- /*
- * No way to verify the MIC if the hardware stripped it
- */
+ /* No way to verify the MIC if the hardware stripped it */
if (rx->status->flag & RX_FLAG_MMIC_STRIPPED)
return RX_CONTINUE;
@@ -116,8 +110,6 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
#else
authenticator = 1;
#endif
- /* At this point we know we're using ALG_TKIP. To get the MIC key
- * we now will rely on the offset from the ieee80211_key_conf::key */
key_offset = authenticator ?
NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY :
NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY;
@@ -202,6 +194,7 @@ ieee80211_tx_result
ieee80211_crypto_tkip_encrypt(struct ieee80211_tx_data *tx)
{
struct sk_buff *skb = tx->skb;
+ int i;
ieee80211_tx_set_protected(tx);
@@ -209,9 +202,8 @@ ieee80211_crypto_tkip_encrypt(struct ieee80211_tx_data *tx)
return TX_DROP;
if (tx->extra_frag) {
- int i;
for (i = 0; i < tx->num_extra_frag; i++) {
- if (tkip_encrypt_skb(tx, tx->extra_frag[i]) < 0)
+ if (tkip_encrypt_skb(tx, tx->extra_frag[i]))
return TX_DROP;
}
}
@@ -227,7 +219,6 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
int hdrlen, res, hwaccel = 0, wpa_test = 0;
struct ieee80211_key *key = rx->key;
struct sk_buff *skb = rx->skb;
- DECLARE_MAC_BUF(mac);
hdrlen = ieee80211_hdrlen(hdr->frame_control);
@@ -350,7 +341,7 @@ static inline void ccmp_pn2hdr(u8 *hdr, u8 *pn, int key_id)
}
-static inline int ccmp_hdr2pn(u8 *pn, u8 *hdr)
+static inline void ccmp_hdr2pn(u8 *pn, u8 *hdr)
{
pn[0] = hdr[7];
pn[1] = hdr[6];
@@ -358,7 +349,6 @@ static inline int ccmp_hdr2pn(u8 *pn, u8 *hdr)
pn[3] = hdr[4];
pn[4] = hdr[1];
pn[5] = hdr[0];
- return (hdr[3] >> 6) & 0x03;
}
@@ -373,7 +363,7 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) &&
!(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
- /* hwaccel - with no need for preallocated room for CCMP "
+ /* hwaccel - with no need for preallocated room for CCMP
* header or MIC fields */
info->control.hw_key = &tx->key->conf;
return 0;
@@ -426,6 +416,7 @@ ieee80211_tx_result
ieee80211_crypto_ccmp_encrypt(struct ieee80211_tx_data *tx)
{
struct sk_buff *skb = tx->skb;
+ int i;
ieee80211_tx_set_protected(tx);
@@ -433,9 +424,8 @@ ieee80211_crypto_ccmp_encrypt(struct ieee80211_tx_data *tx)
return TX_DROP;
if (tx->extra_frag) {
- int i;
for (i = 0; i < tx->num_extra_frag; i++) {
- if (ccmp_encrypt_skb(tx, tx->extra_frag[i]) < 0)
+ if (ccmp_encrypt_skb(tx, tx->extra_frag[i]))
return TX_DROP;
}
}
@@ -453,7 +443,6 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
struct sk_buff *skb = rx->skb;
u8 pn[CCMP_PN_LEN];
int data_len;
- DECLARE_MAC_BUF(mac);
hdrlen = ieee80211_hdrlen(hdr->frame_control);
@@ -468,7 +457,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
(rx->status->flag & RX_FLAG_IV_STRIPPED))
return RX_CONTINUE;
- (void) ccmp_hdr2pn(pn, skb->data + hdrlen);
+ ccmp_hdr2pn(pn, skb->data + hdrlen);
if (memcmp(pn, key->u.ccmp.rx_pn[rx->queue], CCMP_PN_LEN) <= 0) {
key->u.ccmp.replays++;
@@ -483,9 +472,8 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
key->u.ccmp.tfm, key->u.ccmp.rx_crypto_buf,
skb->data + hdrlen + CCMP_HDR_LEN, data_len,
skb->data + skb->len - CCMP_MIC_LEN,
- skb->data + hdrlen + CCMP_HDR_LEN)) {
+ skb->data + hdrlen + CCMP_HDR_LEN))
return RX_DROP_UNUSABLE;
- }
}
memcpy(key->u.ccmp.rx_pn[rx->queue], pn, CCMP_PN_LEN);
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