summaryrefslogtreecommitdiff
path: root/net/mac80211
diff options
context:
space:
mode:
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/cfg.c151
-rw-r--r--net/mac80211/debugfs_sta.c31
-rw-r--r--net/mac80211/driver-ops.h7
-rw-r--r--net/mac80211/ht.c52
-rw-r--r--net/mac80211/ibss.c29
-rw-r--r--net/mac80211/ieee80211_i.h26
-rw-r--r--net/mac80211/iface.c14
-rw-r--r--net/mac80211/key.c103
-rw-r--r--net/mac80211/key.h5
-rw-r--r--net/mac80211/main.c55
-rw-r--r--net/mac80211/mesh.c59
-rw-r--r--net/mac80211/mesh.h12
-rw-r--r--net/mac80211/mesh_plink.c37
-rw-r--r--net/mac80211/mlme.c100
-rw-r--r--net/mac80211/offchannel.c2
-rw-r--r--net/mac80211/pm.c117
-rw-r--r--net/mac80211/rc80211_minstrel.c204
-rw-r--r--net/mac80211/rc80211_minstrel.h31
-rw-r--r--net/mac80211/rc80211_minstrel_debugfs.c12
-rw-r--r--net/mac80211/rc80211_minstrel_ht.c79
-rw-r--r--net/mac80211/rc80211_minstrel_ht.h6
-rw-r--r--net/mac80211/rx.c61
-rw-r--r--net/mac80211/sta_info.c12
-rw-r--r--net/mac80211/sta_info.h2
-rw-r--r--net/mac80211/trace.h11
-rw-r--r--net/mac80211/tx.c2
-rw-r--r--net/mac80211/util.c73
-rw-r--r--net/mac80211/vht.c212
28 files changed, 762 insertions, 743 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index a6893602f87a..c34e6d78a592 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -254,7 +254,7 @@ static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
goto out_unlock;
}
- __ieee80211_key_free(key);
+ __ieee80211_key_free(key, true);
ret = 0;
out_unlock:
@@ -1035,9 +1035,12 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
sta_info_flush_defer(vlan);
sta_info_flush_defer(sdata);
rcu_barrier();
- list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
+ list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
sta_info_flush_cleanup(vlan);
+ ieee80211_free_keys(vlan);
+ }
sta_info_flush_cleanup(sdata);
+ ieee80211_free_keys(sdata);
sdata->vif.bss_conf.enable_beacon = false;
clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
@@ -1177,6 +1180,18 @@ static int sta_apply_parameters(struct ieee80211_local *local,
mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
+ } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
+ /*
+ * TDLS -- everything follows authorized, but
+ * only becoming authorized is possible, not
+ * going back
+ */
+ if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
+ set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
+ BIT(NL80211_STA_FLAG_ASSOCIATED);
+ mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
+ BIT(NL80211_STA_FLAG_ASSOCIATED);
+ }
}
ret = sta_apply_auth_flags(local, sta, mask, set);
@@ -1261,7 +1276,8 @@ static int sta_apply_parameters(struct ieee80211_local *local,
if (ieee80211_vif_is_mesh(&sdata->vif)) {
#ifdef CONFIG_MAC80211_MESH
u32 changed = 0;
- if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) {
+
+ if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
switch (params->plink_state) {
case NL80211_PLINK_ESTAB:
if (sta->plink_state != NL80211_PLINK_ESTAB)
@@ -1292,15 +1308,18 @@ static int sta_apply_parameters(struct ieee80211_local *local,
/* nothing */
break;
}
- } else {
- switch (params->plink_action) {
- case PLINK_ACTION_OPEN:
- changed |= mesh_plink_open(sta);
- break;
- case PLINK_ACTION_BLOCK:
- changed |= mesh_plink_block(sta);
- break;
- }
+ }
+
+ switch (params->plink_action) {
+ case NL80211_PLINK_ACTION_NO_ACTION:
+ /* nothing */
+ break;
+ case NL80211_PLINK_ACTION_OPEN:
+ changed |= mesh_plink_open(sta);
+ break;
+ case NL80211_PLINK_ACTION_BLOCK:
+ changed |= mesh_plink_block(sta);
+ break;
}
if (params->local_pm)
@@ -1346,8 +1365,10 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
* defaults -- if userspace wants something else we'll
* change it accordingly in sta_apply_parameters()
*/
- sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
- sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
+ if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
+ sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
+ sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
+ }
err = sta_apply_parameters(local, sta, params);
if (err) {
@@ -1356,8 +1377,8 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
}
/*
- * for TDLS, rate control should be initialized only when supported
- * rates are known.
+ * for TDLS, rate control should be initialized only when
+ * rates are known and station is marked authorized
*/
if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
rate_control_rate_init(sta);
@@ -1394,50 +1415,67 @@ static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
}
static int ieee80211_change_station(struct wiphy *wiphy,
- struct net_device *dev,
- u8 *mac,
+ struct net_device *dev, u8 *mac,
struct station_parameters *params)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = wiphy_priv(wiphy);
struct sta_info *sta;
struct ieee80211_sub_if_data *vlansdata;
+ enum cfg80211_station_type statype;
int err;
mutex_lock(&local->sta_mtx);
sta = sta_info_get_bss(sdata, mac);
if (!sta) {
- mutex_unlock(&local->sta_mtx);
- return -ENOENT;
+ err = -ENOENT;
+ goto out_err;
}
- /* in station mode, some updates are only valid with TDLS */
- if (sdata->vif.type == NL80211_IFTYPE_STATION &&
- (params->supported_rates || params->ht_capa || params->vht_capa ||
- params->sta_modify_mask ||
- (params->sta_flags_mask & BIT(NL80211_STA_FLAG_WME))) &&
- !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
- mutex_unlock(&local->sta_mtx);
- return -EINVAL;
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_MESH_POINT:
+ if (sdata->u.mesh.user_mpm)
+ statype = CFG80211_STA_MESH_PEER_USER;
+ else
+ statype = CFG80211_STA_MESH_PEER_KERNEL;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ statype = CFG80211_STA_IBSS;
+ break;
+ case NL80211_IFTYPE_STATION:
+ if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
+ statype = CFG80211_STA_AP_STA;
+ break;
+ }
+ if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
+ statype = CFG80211_STA_TDLS_PEER_ACTIVE;
+ else
+ statype = CFG80211_STA_TDLS_PEER_SETUP;
+ break;
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ statype = CFG80211_STA_AP_CLIENT;
+ break;
+ default:
+ err = -EOPNOTSUPP;
+ goto out_err;
}
+ err = cfg80211_check_station_change(wiphy, params, statype);
+ if (err)
+ goto out_err;
+
if (params->vlan && params->vlan != sta->sdata->dev) {
bool prev_4addr = false;
bool new_4addr = false;
vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
- if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
- vlansdata->vif.type != NL80211_IFTYPE_AP) {
- mutex_unlock(&local->sta_mtx);
- return -EINVAL;
- }
-
if (params->vlan->ieee80211_ptr->use_4addr) {
if (vlansdata->u.vlan.sta) {
- mutex_unlock(&local->sta_mtx);
- return -EBUSY;
+ err = -EBUSY;
+ goto out_err;
}
rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
@@ -1464,12 +1502,12 @@ static int ieee80211_change_station(struct wiphy *wiphy,
}
err = sta_apply_parameters(local, sta, params);
- if (err) {
- mutex_unlock(&local->sta_mtx);
- return err;
- }
+ if (err)
+ goto out_err;
- if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
+ /* When peer becomes authorized, init rate control as well */
+ if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
+ test_sta_flag(sta, WLAN_STA_AUTHORIZED))
rate_control_rate_init(sta);
mutex_unlock(&local->sta_mtx);
@@ -1479,7 +1517,11 @@ static int ieee80211_change_station(struct wiphy *wiphy,
ieee80211_recalc_ps(local, -1);
ieee80211_recalc_ps_vif(sdata);
}
+
return 0;
+out_err:
+ mutex_unlock(&local->sta_mtx);
+ return err;
}
#ifdef CONFIG_MAC80211_MESH
@@ -1687,6 +1729,7 @@ static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
ifmsh->mesh_sp_id = setup->sync_method;
ifmsh->mesh_pp_id = setup->path_sel_proto;
ifmsh->mesh_pm_id = setup->path_metric;
+ ifmsh->user_mpm = setup->user_mpm;
ifmsh->security = IEEE80211_MESH_SEC_NONE;
if (setup->is_authenticated)
ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
@@ -1730,8 +1773,11 @@ static int ieee80211_update_mesh_config(struct wiphy *wiphy,
conf->dot11MeshTTL = nconf->dot11MeshTTL;
if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
conf->element_ttl = nconf->element_ttl;
- if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
+ if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
+ if (ifmsh->user_mpm)
+ return -EBUSY;
conf->auto_open_plinks = nconf->auto_open_plinks;
+ }
if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
conf->dot11MeshNbrOffsetMaxNeighbor =
nconf->dot11MeshNbrOffsetMaxNeighbor;
@@ -2371,7 +2417,8 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct ieee80211_channel *channel,
unsigned int duration, u64 *cookie,
- struct sk_buff *txskb)
+ struct sk_buff *txskb,
+ enum ieee80211_roc_type type)
{
struct ieee80211_roc_work *roc, *tmp;
bool queued = false;
@@ -2390,6 +2437,7 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
roc->duration = duration;
roc->req_duration = duration;
roc->frame = txskb;
+ roc->type = type;
roc->mgmt_tx_cookie = (unsigned long)txskb;
roc->sdata = sdata;
INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
@@ -2420,7 +2468,7 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
if (!duration)
duration = 10;
- ret = drv_remain_on_channel(local, sdata, channel, duration);
+ ret = drv_remain_on_channel(local, sdata, channel, duration, type);
if (ret) {
kfree(roc);
return ret;
@@ -2439,10 +2487,13 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
*
* If it hasn't started yet, just increase the duration
* and add the new one to the list of dependents.
+ * If the type of the new ROC has higher priority, modify the
+ * type of the previous one to match that of the new one.
*/
if (!tmp->started) {
list_add_tail(&roc->list, &tmp->dependents);
tmp->duration = max(tmp->duration, roc->duration);
+ tmp->type = max(tmp->type, roc->type);
queued = true;
break;
}
@@ -2454,16 +2505,18 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
/*
* In the offloaded ROC case, if it hasn't begun, add
* this new one to the dependent list to be handled
- * when the the master one begins. If it has begun,
+ * when the master one begins. If it has begun,
* check that there's still a minimum time left and
* if so, start this one, transmitting the frame, but
- * add it to the list directly after this one with a
+ * add it to the list directly after this one with
* a reduced time so we'll ask the driver to execute
* it right after finishing the previous one, in the
* hope that it'll also be executed right afterwards,
* effectively extending the old one.
* If there's no minimum time left, just add it to the
* normal list.
+ * TODO: the ROC type is ignored here, assuming that it
+ * is better to immediately use the current ROC.
*/
if (!tmp->hw_begun) {
list_add_tail(&roc->list, &tmp->dependents);
@@ -2557,7 +2610,8 @@ static int ieee80211_remain_on_channel(struct wiphy *wiphy,
mutex_lock(&local->mtx);
ret = ieee80211_start_roc_work(local, sdata, chan,
- duration, cookie, NULL);
+ duration, cookie, NULL,
+ IEEE80211_ROC_TYPE_NORMAL);
mutex_unlock(&local->mtx);
return ret;
@@ -2792,7 +2846,8 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
/* This will handle all kinds of coalescing and immediate TX */
ret = ieee80211_start_roc_work(local, sdata, chan,
- wait, cookie, skb);
+ wait, cookie, skb,
+ IEEE80211_ROC_TYPE_MGMT_TX);
if (ret)
kfree_skb(skb);
out_unlock:
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index c7591f73dbc3..4f841fe559df 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -325,6 +325,36 @@ static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
}
STA_OPS(ht_capa);
+static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ char buf[128], *p = buf;
+ struct sta_info *sta = file->private_data;
+ struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap;
+
+ p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n",
+ vhtc->vht_supported ? "" : "not ");
+ if (vhtc->vht_supported) {
+ p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.8x\n", vhtc->cap);
+
+ p += scnprintf(p, sizeof(buf)+buf-p, "RX MCS: %.4x\n",
+ le16_to_cpu(vhtc->vht_mcs.rx_mcs_map));
+ if (vhtc->vht_mcs.rx_highest)
+ p += scnprintf(p, sizeof(buf)+buf-p,
+ "MCS RX highest: %d Mbps\n",
+ le16_to_cpu(vhtc->vht_mcs.rx_highest));
+ p += scnprintf(p, sizeof(buf)+buf-p, "TX MCS: %.4x\n",
+ le16_to_cpu(vhtc->vht_mcs.tx_mcs_map));
+ if (vhtc->vht_mcs.tx_highest)
+ p += scnprintf(p, sizeof(buf)+buf-p,
+ "MCS TX highest: %d Mbps\n",
+ le16_to_cpu(vhtc->vht_mcs.tx_highest));
+ }
+
+ return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+}
+STA_OPS(vht_capa);
+
static ssize_t sta_current_tx_rate_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
@@ -405,6 +435,7 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
DEBUGFS_ADD(dev);
DEBUGFS_ADD(last_signal);
DEBUGFS_ADD(ht_capa);
+ DEBUGFS_ADD(vht_capa);
DEBUGFS_ADD(last_ack_signal);
DEBUGFS_ADD(current_tx_rate);
DEBUGFS_ADD(last_rx_rate);
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index ee56d0779d8b..832acea4a5cb 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -787,15 +787,16 @@ static inline int drv_get_antenna(struct ieee80211_local *local,
static inline int drv_remain_on_channel(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct ieee80211_channel *chan,
- unsigned int duration)
+ unsigned int duration,
+ enum ieee80211_roc_type type)
{
int ret;
might_sleep();
- trace_drv_remain_on_channel(local, sdata, chan, duration);
+ trace_drv_remain_on_channel(local, sdata, chan, duration, type);
ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
- chan, duration);
+ chan, duration, type);
trace_drv_return_int(local, ret);
return ret;
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 0db25d4bb223..af8cee06e4f3 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -40,13 +40,6 @@ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
if (!ht_cap->ht_supported)
return;
- if (sdata->vif.type != NL80211_IFTYPE_STATION) {
- /* AP interfaces call this code when adding new stations,
- * so just silently ignore non station interfaces.
- */
- return;
- }
-
/* NOTE: If you add more over-rides here, update register_hw
* ht_capa_mod_msk logic in main.c as well.
* And, if this method can ever change ht_cap.ht_supported, fix
@@ -97,7 +90,7 @@ bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
const struct ieee80211_ht_cap *ht_cap_ie,
struct sta_info *sta)
{
- struct ieee80211_sta_ht_cap ht_cap;
+ struct ieee80211_sta_ht_cap ht_cap, own_cap;
u8 ampdu_info, tx_mcs_set_cap;
int i, max_tx_streams;
bool changed;
@@ -111,6 +104,18 @@ bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
ht_cap.ht_supported = true;
+ own_cap = sband->ht_cap;
+
+ /*
+ * If user has specified capability over-rides, take care
+ * of that if the station we're setting up is the AP that
+ * we advertised a restricted capability set to. Override
+ * our own capabilities and then use those below.
+ */
+ if (sdata->vif.type == NL80211_IFTYPE_STATION &&
+ !test_sta_flag(sta, WLAN_STA_TDLS_PEER))
+ ieee80211_apply_htcap_overrides(sdata, &own_cap);
+
/*
* The bits listed in this expression should be
* the same for the peer and us, if the station
@@ -118,21 +123,20 @@ bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
* we mask them out.
*/
ht_cap.cap = le16_to_cpu(ht_cap_ie->cap_info) &
- (sband->ht_cap.cap |
- ~(IEEE80211_HT_CAP_LDPC_CODING |
- IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
- IEEE80211_HT_CAP_GRN_FLD |
- IEEE80211_HT_CAP_SGI_20 |
- IEEE80211_HT_CAP_SGI_40 |
- IEEE80211_HT_CAP_DSSSCCK40));
+ (own_cap.cap | ~(IEEE80211_HT_CAP_LDPC_CODING |
+ IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
+ IEEE80211_HT_CAP_GRN_FLD |
+ IEEE80211_HT_CAP_SGI_20 |
+ IEEE80211_HT_CAP_SGI_40 |
+ IEEE80211_HT_CAP_DSSSCCK40));
/*
* The STBC bits are asymmetric -- if we don't have
* TX then mask out the peer's RX and vice versa.
*/
- if (!(sband->ht_cap.cap & IEEE80211_HT_CAP_TX_STBC))
+ if (!(own_cap.cap & IEEE80211_HT_CAP_TX_STBC))
ht_cap.cap &= ~IEEE80211_HT_CAP_RX_STBC;
- if (!(sband->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC))
+ if (!(own_cap.cap & IEEE80211_HT_CAP_RX_STBC))
ht_cap.cap &= ~IEEE80211_HT_CAP_TX_STBC;
ampdu_info = ht_cap_ie->ampdu_params_info;
@@ -142,7 +146,7 @@ bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
(ampdu_info & IEEE80211_HT_AMPDU_PARM_DENSITY) >> 2;
/* own MCS TX capabilities */
- tx_mcs_set_cap = sband->ht_cap.mcs.tx_params;
+ tx_mcs_set_cap = own_cap.mcs.tx_params;
/* Copy peer MCS TX capabilities, the driver might need them. */
ht_cap.mcs.tx_params = ht_cap_ie->mcs.tx_params;
@@ -168,26 +172,20 @@ bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
*/
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];
+ own_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] &
+ own_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)
+ if (own_cap.mcs.rx_mask[32/8] & ht_cap_ie->mcs.rx_mask[32/8] & 1)
ht_cap.mcs.rx_mask[32/8] |= 1;
apply:
- /*
- * If user has specified capability over-rides, take care
- * of that here.
- */
- ieee80211_apply_htcap_overrides(sdata, &ht_cap);
-
changed = memcmp(&sta->sta.ht_cap, &ht_cap, sizeof(ht_cap));
memcpy(&sta->sta.ht_cap, &ht_cap, sizeof(ht_cap));
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 40b71dfcc79d..539d4a11b47b 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -985,36 +985,9 @@ static void ieee80211_ibss_timer(unsigned long data)
{
struct ieee80211_sub_if_data *sdata =
(struct ieee80211_sub_if_data *) data;
- struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
- struct ieee80211_local *local = sdata->local;
-
- if (local->quiescing) {
- ifibss->timer_running = true;
- return;
- }
-
- ieee80211_queue_work(&local->hw, &sdata->work);
-}
-
-#ifdef CONFIG_PM
-void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
- if (del_timer_sync(&ifibss->timer))
- ifibss->timer_running = true;
-}
-
-void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
-
- if (ifibss->timer_running) {
- add_timer(&ifibss->timer);
- ifibss->timer_running = false;
- }
+ ieee80211_queue_work(&sdata->local->hw, &sdata->work);
}
-#endif
void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata)
{
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 5672533a0832..e140184c28ce 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -316,6 +316,7 @@ struct ieee80211_roc_work {
u32 duration, req_duration;
struct sk_buff *frame;
u64 cookie, mgmt_tx_cookie;
+ enum ieee80211_roc_type type;
};
/* flags used in struct ieee80211_if_managed.flags */
@@ -401,7 +402,6 @@ struct ieee80211_if_managed {
u16 aid;
- unsigned long timers_running; /* used for quiesce/restart */
bool powersave; /* powersave requested for this iface */
bool broken_ap; /* AP is broken -- turn off powersave */
u8 dtim_period;
@@ -480,6 +480,8 @@ struct ieee80211_if_managed {
struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */
struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */
+ struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */
+ struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */
};
struct ieee80211_if_ibss {
@@ -491,8 +493,6 @@ struct ieee80211_if_ibss {
u32 basic_rates;
- bool timer_running;
-
bool fixed_bssid;
bool fixed_channel;
bool privacy;
@@ -544,8 +544,6 @@ struct ieee80211_if_mesh {
struct timer_list mesh_path_timer;
struct timer_list mesh_path_root_timer;
- unsigned long timers_running;
-
unsigned long wrkq_flags;
u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
@@ -591,6 +589,7 @@ struct ieee80211_if_mesh {
IEEE80211_MESH_SEC_AUTHED = 0x1,
IEEE80211_MESH_SEC_SECURED = 0x2,
} security;
+ bool user_mpm;
/* Extensible Synchronization Framework */
const struct ieee80211_mesh_sync_ops *sync_ops;
s64 sync_offset_clockdrift_max;
@@ -683,6 +682,8 @@ struct ieee80211_sub_if_data {
/* count for keys needing tailroom space allocation */
int crypto_tx_tailroom_needed_cnt;
+ int crypto_tx_tailroom_pending_dec;
+ struct delayed_work dec_tailroom_needed_wk;
struct net_device *dev;
struct ieee80211_local *local;
@@ -766,10 +767,6 @@ struct ieee80211_sub_if_data {
} debugfs;
#endif
-#ifdef CONFIG_PM
- struct ieee80211_bss_conf suspend_bss_conf;
-#endif
-
/* must be last, dynamically sized area in this! */
struct ieee80211_vif vif;
};
@@ -1137,11 +1134,6 @@ struct ieee80211_local {
struct ieee80211_sub_if_data __rcu *p2p_sdata;
- /* dummy netdev for use w/ NAPI */
- struct net_device napi_dev;
-
- struct napi_struct napi;
-
/* virtual monitor interface */
struct ieee80211_sub_if_data __rcu *monitor_sdata;
struct cfg80211_chan_def monitor_chandef;
@@ -1284,8 +1276,6 @@ void
ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
const struct ieee80211_channel_sw_ie *sw_elem,
struct ieee80211_bss *bss, u64 timestamp);
-void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata);
-void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
@@ -1303,8 +1293,6 @@ void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
struct cfg80211_ibss_params *params);
int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata);
-void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata);
-void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata);
void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata);
void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
@@ -1443,6 +1431,8 @@ void ieee80211_sta_set_rx_nss(struct sta_info *sta);
void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta, u8 opmode,
enum ieee80211_band band, bool nss_only);
+void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_sta_vht_cap *vht_cap);
/* Spectrum management */
void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 58150f877ec3..a2b5e17036bb 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -488,8 +488,6 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
res = drv_start(local);
if (res)
goto err_del_bss;
- if (local->ops->napi_poll)
- napi_enable(&local->napi);
/* we're brought up, everything changes */
hw_reconf_flags = ~0;
ieee80211_led_radio(local, true);
@@ -841,14 +839,16 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
rcu_barrier();
sta_info_flush_cleanup(sdata);
- skb_queue_purge(&sdata->skb_queue);
-
/*
* Free all remaining keys, there shouldn't be any,
- * except maybe group keys in AP more or WDS?
+ * except maybe in WDS mode?
*/
ieee80211_free_keys(sdata);
+ /* fall through */
+ case NL80211_IFTYPE_AP:
+ skb_queue_purge(&sdata->skb_queue);
+
drv_remove_interface_debugfs(local, sdata);
if (going_down)
@@ -860,8 +860,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
ieee80211_recalc_ps(local, -1);
if (local->open_count == 0) {
- if (local->ops->napi_poll)
- napi_disable(&local->napi);
ieee80211_clear_tx_pending(local);
ieee80211_stop_device(local);
@@ -1550,6 +1548,8 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
INIT_WORK(&sdata->cleanup_stations_wk, ieee80211_cleanup_sdata_stas_wk);
INIT_DELAYED_WORK(&sdata->dfs_cac_timer_work,
ieee80211_dfs_cac_timer_work);
+ INIT_DELAYED_WORK(&sdata->dec_tailroom_needed_wk,
+ ieee80211_delayed_tailroom_dec);
for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
struct ieee80211_supported_band *sband;
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index ef252eb58c36..99e9f6ae6a54 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -397,7 +397,8 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
return key;
}
-static void __ieee80211_key_destroy(struct ieee80211_key *key)
+static void __ieee80211_key_destroy(struct ieee80211_key *key,
+ bool delay_tailroom)
{
if (!key)
return;
@@ -416,8 +417,18 @@ static void __ieee80211_key_destroy(struct ieee80211_key *key)
if (key->conf.cipher == WLAN_CIPHER_SUITE_AES_CMAC)
ieee80211_aes_cmac_key_free(key->u.aes_cmac.tfm);
if (key->local) {
+ struct ieee80211_sub_if_data *sdata = key->sdata;
+
ieee80211_debugfs_key_remove(key);
- key->sdata->crypto_tx_tailroom_needed_cnt--;
+
+ if (delay_tailroom) {
+ /* see ieee80211_delayed_tailroom_dec */
+ sdata->crypto_tx_tailroom_pending_dec++;
+ schedule_delayed_work(&sdata->dec_tailroom_needed_wk,
+ HZ/2);
+ } else {
+ sdata->crypto_tx_tailroom_needed_cnt--;
+ }
}
kfree(key);
@@ -440,32 +451,6 @@ int ieee80211_key_link(struct ieee80211_key *key,
key->sdata = sdata;
key->sta = sta;
- if (sta) {
- /*
- * some hardware cannot handle TKIP with QoS, so
- * we indicate whether QoS could be in use.
- */
- if (test_sta_flag(sta, WLAN_STA_WME))
- key->conf.flags |= IEEE80211_KEY_FLAG_WMM_STA;
- } else {
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- struct sta_info *ap;
-
- /*
- * We're getting a sta pointer in, so must be under
- * appropriate locking for sta_info_get().
- */
-
- /* same here, the AP could be using QoS */
- ap = sta_info_get(key->sdata, key->sdata->u.mgd.bssid);
- if (ap) {
- if (test_sta_flag(ap, WLAN_STA_WME))
- key->conf.flags |=
- IEEE80211_KEY_FLAG_WMM_STA;
- }
- }
- }
-
mutex_lock(&sdata->local->key_mtx);
if (sta && pairwise)
@@ -478,7 +463,7 @@ int ieee80211_key_link(struct ieee80211_key *key,
increment_tailroom_need_count(sdata);
__ieee80211_key_replace(sdata, sta, pairwise, old_key, key);
- __ieee80211_key_destroy(old_key);
+ __ieee80211_key_destroy(old_key, true);
ieee80211_debugfs_key_add(key);
@@ -489,7 +474,7 @@ int ieee80211_key_link(struct ieee80211_key *key,
return ret;
}
-void __ieee80211_key_free(struct ieee80211_key *key)
+void __ieee80211_key_free(struct ieee80211_key *key, bool delay_tailroom)
{
if (!key)
return;
@@ -501,14 +486,14 @@ void __ieee80211_key_free(struct ieee80211_key *key)
__ieee80211_key_replace(key->sdata, key->sta,
key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE,
key, NULL);
- __ieee80211_key_destroy(key);
+ __ieee80211_key_destroy(key, delay_tailroom);
}
void ieee80211_key_free(struct ieee80211_local *local,
struct ieee80211_key *key)
{
mutex_lock(&local->key_mtx);
- __ieee80211_key_free(key);
+ __ieee80211_key_free(key, true);
mutex_unlock(&local->key_mtx);
}
@@ -566,36 +551,60 @@ void ieee80211_iter_keys(struct ieee80211_hw *hw,
}
EXPORT_SYMBOL(ieee80211_iter_keys);
-void ieee80211_disable_keys(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_key *key;
-
- ASSERT_RTNL();
-
- mutex_lock(&sdata->local->key_mtx);
-
- list_for_each_entry(key, &sdata->key_list, list)
- ieee80211_key_disable_hw_accel(key);
-
- mutex_unlock(&sdata->local->key_mtx);
-}
-
void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_key *key, *tmp;
+ cancel_delayed_work_sync(&sdata->dec_tailroom_needed_wk);
+
mutex_lock(&sdata->local->key_mtx);
+ sdata->crypto_tx_tailroom_needed_cnt -=
+ sdata->crypto_tx_tailroom_pending_dec;
+ sdata->crypto_tx_tailroom_pending_dec = 0;
+
ieee80211_debugfs_key_remove_mgmt_default(sdata);
list_for_each_entry_safe(key, tmp, &sdata->key_list, list)
- __ieee80211_key_free(key);
+ __ieee80211_key_free(key, false);
ieee80211_debugfs_key_update_default(sdata);
+ WARN_ON_ONCE(sdata->crypto_tx_tailroom_needed_cnt ||
+ sdata->crypto_tx_tailroom_pending_dec);
+
mutex_unlock(&sdata->local->key_mtx);
}
+void ieee80211_delayed_tailroom_dec(struct work_struct *wk)
+{
+ struct ieee80211_sub_if_data *sdata;
+
+ sdata = container_of(wk, struct ieee80211_sub_if_data,
+ dec_tailroom_needed_wk.work);
+
+ /*
+ * The reason for the delayed tailroom needed decrementing is to
+ * make roaming faster: during roaming, all keys are first deleted
+ * and then new keys are installed. The first new key causes the
+ * crypto_tx_tailroom_needed_cnt to go from 0 to 1, which invokes
+ * the cost of synchronize_net() (which can be slow). Avoid this
+ * by deferring the crypto_tx_tailroom_needed_cnt decrementing on
+ * key removal for a while, so if we roam the value is larger than
+ * zero and no 0->1 transition happens.
+ *
+ * The cost is that if the AP switching was from an AP with keys
+ * to one without, we still allocate tailroom while it would no
+ * longer be needed. However, in the typical (fast) roaming case
+ * within an ESS this usually won't happen.
+ */
+
+ mutex_lock(&sdata->local->key_mtx);
+ sdata->crypto_tx_tailroom_needed_cnt -=
+ sdata->crypto_tx_tailroom_pending_dec;
+ sdata->crypto_tx_tailroom_pending_dec = 0;
+ mutex_unlock(&sdata->local->key_mtx);
+}
void ieee80211_gtk_rekey_notify(struct ieee80211_vif *vif, const u8 *bssid,
const u8 *replay_ctr, gfp_t gfp)
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
index 382dc44ed330..2a682d81cee9 100644
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -134,7 +134,7 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
int __must_check ieee80211_key_link(struct ieee80211_key *key,
struct ieee80211_sub_if_data *sdata,
struct sta_info *sta);
-void __ieee80211_key_free(struct ieee80211_key *key);
+void __ieee80211_key_free(struct ieee80211_key *key, bool delay_tailroom);
void ieee80211_key_free(struct ieee80211_local *local,
struct ieee80211_key *key);
void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx,
@@ -143,9 +143,10 @@ void ieee80211_set_default_mgmt_key(struct ieee80211_sub_if_data *sdata,
int idx);
void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata);
void ieee80211_enable_keys(struct ieee80211_sub_if_data *sdata);
-void ieee80211_disable_keys(struct ieee80211_sub_if_data *sdata);
#define key_mtx_dereference(local, ref) \
rcu_dereference_protected(ref, lockdep_is_held(&((local)->key_mtx)))
+void ieee80211_delayed_tailroom_dec(struct work_struct *wk);
+
#endif /* IEEE80211_KEY_H */
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 1a8591b77a13..5a53aa5ede80 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -399,30 +399,6 @@ static int ieee80211_ifa6_changed(struct notifier_block *nb,
}
#endif
-static int ieee80211_napi_poll(struct napi_struct *napi, int budget)
-{
- struct ieee80211_local *local =
- container_of(napi, struct ieee80211_local, napi);
-
- return local->ops->napi_poll(&local->hw, budget);
-}
-
-void ieee80211_napi_schedule(struct ieee80211_hw *hw)
-{
- struct ieee80211_local *local = hw_to_local(hw);
-
- napi_schedule(&local->napi);
-}
-EXPORT_SYMBOL(ieee80211_napi_schedule);
-
-void ieee80211_napi_complete(struct ieee80211_hw *hw)
-{
- struct ieee80211_local *local = hw_to_local(hw);
-
- napi_complete(&local->napi);
-}
-EXPORT_SYMBOL(ieee80211_napi_complete);
-
/* There isn't a lot of sense in it, but you can transmit anything you like */
static const struct ieee80211_txrx_stypes
ieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
@@ -501,6 +477,27 @@ static const struct ieee80211_ht_cap mac80211_ht_capa_mod_mask = {
},
};
+static const struct ieee80211_vht_cap mac80211_vht_capa_mod_mask = {
+ .vht_cap_info =
+ cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC |
+ IEEE80211_VHT_CAP_SHORT_GI_80 |
+ IEEE80211_VHT_CAP_SHORT_GI_160 |
+ IEEE80211_VHT_CAP_RXSTBC_1 |
+ IEEE80211_VHT_CAP_RXSTBC_2 |
+ IEEE80211_VHT_CAP_RXSTBC_3 |
+ IEEE80211_VHT_CAP_RXSTBC_4 |
+ IEEE80211_VHT_CAP_TXSTBC |
+ IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
+ IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
+ IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN |
+ IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
+ IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK),
+ .supp_mcs = {
+ .rx_mcs_map = cpu_to_le16(~0),
+ .tx_mcs_map = cpu_to_le16(~0),
+ },
+};
+
static const u8 extended_capabilities[] = {
0, 0, 0, 0, 0, 0, 0,
WLAN_EXT_CAPA8_OPMODE_NOTIF,
@@ -572,7 +569,8 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
wiphy->features |= NL80211_FEATURE_SK_TX_STATUS |
NL80211_FEATURE_SAE |
NL80211_FEATURE_HT_IBSS |
- NL80211_FEATURE_VIF_TXPOWER;
+ NL80211_FEATURE_VIF_TXPOWER |
+ NL80211_FEATURE_USERSPACE_MPM;
if (!ops->hw_scan)
wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN |
@@ -609,6 +607,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH;
local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
wiphy->ht_capa_mod_mask = &mac80211_ht_capa_mod_mask;
+ wiphy->vht_capa_mod_mask = &mac80211_vht_capa_mod_mask;
INIT_LIST_HEAD(&local->interfaces);
@@ -664,9 +663,6 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
skb_queue_head_init(&local->skb_queue);
skb_queue_head_init(&local->skb_queue_unreliable);
- /* init dummy netdev for use w/ NAPI */
- init_dummy_netdev(&local->napi_dev);
-
ieee80211_led_names(local);
ieee80211_roc_setup(local);
@@ -1021,9 +1017,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
goto fail_ifa6;
#endif
- netif_napi_add(&local->napi_dev, &local->napi, ieee80211_napi_poll,
- local->hw.napi_weight);
-
return 0;
#if IS_ENABLED(CONFIG_IPV6)
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 4749b3858695..77b5710db241 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -13,10 +13,6 @@
#include "ieee80211_i.h"
#include "mesh.h"
-#define TMR_RUNNING_HK 0
-#define TMR_RUNNING_MP 1
-#define TMR_RUNNING_MPR 2
-
static int mesh_allocated;
static struct kmem_cache *rm_cache;
@@ -50,11 +46,6 @@ static void ieee80211_mesh_housekeeping_timer(unsigned long data)
set_bit(MESH_WORK_HOUSEKEEPING, &ifmsh->wrkq_flags);
- if (local->quiescing) {
- set_bit(TMR_RUNNING_HK, &ifmsh->timers_running);
- return;
- }
-
ieee80211_queue_work(&local->hw, &sdata->work);
}
@@ -165,7 +156,7 @@ void mesh_sta_cleanup(struct sta_info *sta)
* an update.
*/
changed = mesh_accept_plinks_update(sdata);
- if (sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) {
+ if (!sdata->u.mesh.user_mpm) {
changed |= mesh_plink_deactivate(sta);
del_timer_sync(&sta->plink_timer);
}
@@ -479,15 +470,8 @@ static void ieee80211_mesh_path_timer(unsigned long data)
{
struct ieee80211_sub_if_data *sdata =
(struct ieee80211_sub_if_data *) data;
- struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- struct ieee80211_local *local = sdata->local;
-
- if (local->quiescing) {
- set_bit(TMR_RUNNING_MP, &ifmsh->timers_running);
- return;
- }
- ieee80211_queue_work(&local->hw, &sdata->work);
+ ieee80211_queue_work(&sdata->local->hw, &sdata->work);
}
static void ieee80211_mesh_path_root_timer(unsigned long data)
@@ -495,16 +479,10 @@ static void ieee80211_mesh_path_root_timer(unsigned long data)
struct ieee80211_sub_if_data *sdata =
(struct ieee80211_sub_if_data *) data;
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- struct ieee80211_local *local = sdata->local;
set_bit(MESH_WORK_ROOT, &ifmsh->wrkq_flags);
- if (local->quiescing) {
- set_bit(TMR_RUNNING_MPR, &ifmsh->timers_running);
- return;
- }
-
- ieee80211_queue_work(&local->hw, &sdata->work);
+ ieee80211_queue_work(&sdata->local->hw, &sdata->work);
}
void ieee80211_mesh_root_setup(struct ieee80211_if_mesh *ifmsh)
@@ -622,35 +600,6 @@ static void ieee80211_mesh_rootpath(struct ieee80211_sub_if_data *sdata)
round_jiffies(TU_TO_EXP_TIME(interval)));
}
-#ifdef CONFIG_PM
-void ieee80211_mesh_quiesce(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
-
- /* use atomic bitops in case all timers fire at the same time */
-
- if (del_timer_sync(&ifmsh->housekeeping_timer))
- set_bit(TMR_RUNNING_HK, &ifmsh->timers_running);
- if (del_timer_sync(&ifmsh->mesh_path_timer))
- set_bit(TMR_RUNNING_MP, &ifmsh->timers_running);
- if (del_timer_sync(&ifmsh->mesh_path_root_timer))
- set_bit(TMR_RUNNING_MPR, &ifmsh->timers_running);
-}
-
-void ieee80211_mesh_restart(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
-
- if (test_and_clear_bit(TMR_RUNNING_HK, &ifmsh->timers_running))
- add_timer(&ifmsh->housekeeping_timer);
- if (test_and_clear_bit(TMR_RUNNING_MP, &ifmsh->timers_running))
- add_timer(&ifmsh->mesh_path_timer);
- if (test_and_clear_bit(TMR_RUNNING_MPR, &ifmsh->timers_running))
- add_timer(&ifmsh->mesh_path_root_timer);
- ieee80211_mesh_root_setup(ifmsh);
-}
-#endif
-
static int
ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
{
@@ -871,8 +820,6 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
local->fif_other_bss--;
atomic_dec(&local->iff_allmultis);
ieee80211_configure_filter(local);
-
- sdata->u.mesh.timers_running = 0;
}
static void
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 336c88a16687..6ffabbe99c46 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -313,8 +313,6 @@ void mesh_path_timer(unsigned long data);
void mesh_path_flush_by_nexthop(struct sta_info *sta);
void mesh_path_discard_frame(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
-void mesh_path_quiesce(struct ieee80211_sub_if_data *sdata);
-void mesh_path_restart(struct ieee80211_sub_if_data *sdata);
void mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata);
bool mesh_action_is_path_sel(struct ieee80211_mgmt *mgmt);
@@ -359,22 +357,12 @@ static inline bool mesh_path_sel_is_hwmp(struct ieee80211_sub_if_data *sdata)
void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local);
-void ieee80211_mesh_quiesce(struct ieee80211_sub_if_data *sdata);
-void ieee80211_mesh_restart(struct ieee80211_sub_if_data *sdata);
-void mesh_plink_quiesce(struct sta_info *sta);
-void mesh_plink_restart(struct sta_info *sta);
void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata);
void mesh_sync_adjust_tbtt(struct ieee80211_sub_if_data *sdata);
void ieee80211s_stop(void);
#else
static inline void
ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local) {}
-static inline void ieee80211_mesh_quiesce(struct ieee80211_sub_if_data *sdata)
-{}
-static inline void ieee80211_mesh_restart(struct ieee80211_sub_if_data *sdata)
-{}
-static inline void mesh_plink_quiesce(struct sta_info *sta) {}
-static inline void mesh_plink_restart(struct sta_info *sta) {}
static inline bool mesh_path_sel_is_hwmp(struct ieee80211_sub_if_data *sdata)
{ return false; }
static inline void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata)
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 07d396d57079..937e06fe8f2a 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -420,7 +420,6 @@ __mesh_sta_info_alloc(struct ieee80211_sub_if_data *sdata, u8 *hw_addr)
return NULL;
sta->plink_state = NL80211_PLINK_LISTEN;
- init_timer(&sta->plink_timer);
sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
@@ -437,8 +436,9 @@ mesh_sta_info_alloc(struct ieee80211_sub_if_data *sdata, u8 *addr,
{
struct sta_info *sta = NULL;
- /* Userspace handles peer allocation when security is enabled */
- if (sdata->u.mesh.security & IEEE80211_MESH_SEC_AUTHED)
+ /* Userspace handles station allocation */
+ if (sdata->u.mesh.user_mpm ||
+ sdata->u.mesh.security & IEEE80211_MESH_SEC_AUTHED)
cfg80211_notify_new_peer_candidate(sdata->dev, addr,
elems->ie_start,
elems->total_len,
@@ -534,10 +534,8 @@ static void mesh_plink_timer(unsigned long data)
*/
sta = (struct sta_info *) data;
- if (sta->sdata->local->quiescing) {
- sta->plink_timer_was_running = true;
+ if (sta->sdata->local->quiescing)
return;
- }
spin_lock_bh(&sta->lock);
if (sta->ignore_plink_timer) {
@@ -598,29 +596,6 @@ static void mesh_plink_timer(unsigned long data)
}
}
-#ifdef CONFIG_PM
-void mesh_plink_quiesce(struct sta_info *sta)
-{
- if (!ieee80211_vif_is_mesh(&sta->sdata->vif))
- return;
-
- /* no kernel mesh sta timers have been initialized */
- if (sta->sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
- return;
-
- if (del_timer_sync(&sta->plink_timer))
- sta->plink_timer_was_running = true;
-}
-
-void mesh_plink_restart(struct sta_info *sta)
-{
- if (sta->plink_timer_was_running) {
- add_timer(&sta->plink_timer);
- sta->plink_timer_was_running = false;
- }
-}
-#endif
-
static inline void mesh_plink_timer_set(struct sta_info *sta, int timeout)
{
sta->plink_timer.expires = jiffies + (HZ * timeout / 1000);
@@ -695,6 +670,10 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata,
if (len < IEEE80211_MIN_ACTION_SIZE + 3)
return;
+ if (sdata->u.mesh.user_mpm)
+ /* userspace must register for these */
+ return;
+
if (is_multicast_ether_addr(mgmt->da)) {
mpl_dbg(sdata,
"Mesh plink: ignore frame from multicast address\n");
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 82cc30318a86..167158646593 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -87,9 +87,6 @@ MODULE_PARM_DESC(probe_wait_ms,
*/
#define IEEE80211_SIGNAL_AVE_MIN_COUNT 4
-#define TMR_RUNNING_TIMER 0
-#define TMR_RUNNING_CHANSW 1
-
/*
* All cfg80211 functions have to be called outside a locked
* section so that they can acquire a lock themselves... This
@@ -609,6 +606,7 @@ static void ieee80211_add_vht_ie(struct ieee80211_sub_if_data *sdata,
BUILD_BUG_ON(sizeof(vht_cap) != sizeof(sband->vht_cap));
memcpy(&vht_cap, &sband->vht_cap, sizeof(vht_cap));
+ ieee80211_apply_vhtcap_overrides(sdata, &vht_cap);
/* determine capability flags */
cap = vht_cap.cap;
@@ -1038,14 +1036,8 @@ static void ieee80211_chswitch_timer(unsigned long data)
{
struct ieee80211_sub_if_data *sdata =
(struct ieee80211_sub_if_data *) data;
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- if (sdata->local->quiescing) {
- set_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running);
- return;
- }
-
- ieee80211_queue_work(&sdata->local->hw, &ifmgd->chswitch_work);
+ ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.chswitch_work);
}
void
@@ -1802,9 +1794,11 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
sdata->vif.bss_conf.p2p_ctwindow = 0;
sdata->vif.bss_conf.p2p_oppps = false;
- /* on the next assoc, re-program HT parameters */
+ /* on the next assoc, re-program HT/VHT parameters */
memset(&ifmgd->ht_capa, 0, sizeof(ifmgd->ht_capa));
memset(&ifmgd->ht_capa_mask, 0, sizeof(ifmgd->ht_capa_mask));
+ memset(&ifmgd->vht_capa, 0, sizeof(ifmgd->vht_capa));
+ memset(&ifmgd->vht_capa_mask, 0, sizeof(ifmgd->vht_capa_mask));
sdata->ap_power_level = IEEE80211_UNSET_POWER_LEVEL;
@@ -1830,8 +1824,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
del_timer_sync(&sdata->u.mgd.timer);
del_timer_sync(&sdata->u.mgd.chswitch_timer);
- sdata->u.mgd.timers_running = 0;
-
sdata->vif.bss_conf.dtim_period = 0;
ifmgd->flags = 0;
@@ -3140,15 +3132,8 @@ static void ieee80211_sta_timer(unsigned long data)
{
struct ieee80211_sub_if_data *sdata =
(struct ieee80211_sub_if_data *) data;
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- struct ieee80211_local *local = sdata->local;
-
- if (local->quiescing) {
- set_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running);
- return;
- }
- ieee80211_queue_work(&local->hw, &sdata->work);
+ ieee80211_queue_work(&sdata->local->hw, &sdata->work);
}
static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
@@ -3500,72 +3485,6 @@ static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
}
}
-#ifdef CONFIG_PM
-void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
-
- /*
- * Stop timers before deleting work items, as timers
- * could race and re-add the work-items. They will be
- * re-established on connection.
- */
- del_timer_sync(&ifmgd->conn_mon_timer);
- del_timer_sync(&ifmgd->bcn_mon_timer);
-
- /*
- * we need to use atomic bitops for the running bits
- * only because both timers might fire at the same
- * time -- the code here is properly synchronised.
- */
-
- cancel_work_sync(&ifmgd->request_smps_work);
-
- cancel_work_sync(&ifmgd->monitor_work);
- cancel_work_sync(&ifmgd->beacon_connection_loss_work);
- cancel_work_sync(&ifmgd->csa_connection_drop_work);
- if (del_timer_sync(&ifmgd->timer))
- set_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running);
-
- if (del_timer_sync(&ifmgd->chswitch_timer))
- set_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running);
- cancel_work_sync(&ifmgd->chswitch_work);
-}
-
-void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
-{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
-
- mutex_lock(&ifmgd->mtx);
- if (!ifmgd->associated) {
- mutex_unlock(&ifmgd->mtx);
- return;
- }
-
- if (sdata->flags & IEEE80211_SDATA_DISCONNECT_RESUME) {
- sdata->flags &= ~IEEE80211_SDATA_DISCONNECT_RESUME;
- mlme_dbg(sdata, "driver requested disconnect after resume\n");
- ieee80211_sta_connection_lost(sdata,
- ifmgd->associated->bssid,
- WLAN_REASON_UNSPECIFIED,
- true);
- mutex_unlock(&ifmgd->mtx);
- return;
- }
- mutex_unlock(&ifmgd->mtx);
-
- if (test_and_clear_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running))
- add_timer(&ifmgd->timer);
- if (test_and_clear_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running))
- add_timer(&ifmgd->chswitch_timer);
- ieee80211_sta_reset_beacon_monitor(sdata);
-
- mutex_lock(&sdata->local->mtx);
- ieee80211_restart_sta_timer(sdata);
- mutex_unlock(&sdata->local->mtx);
-}
-#endif
-
/* interface setup */
void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
{
@@ -4073,6 +3992,9 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
}
+ if (req->flags & ASSOC_REQ_DISABLE_VHT)
+ ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
+
/* Also disable HT if we don't support it or the AP doesn't use WMM */
sband = local->hw.wiphy->bands[req->bss->channel->band];
if (!sband->ht_cap.ht_supported ||
@@ -4096,6 +4018,10 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
memcpy(&ifmgd->ht_capa_mask, &req->ht_capa_mask,
sizeof(ifmgd->ht_capa_mask));
+ memcpy(&ifmgd->vht_capa, &req->vht_capa, sizeof(ifmgd->vht_capa));
+ memcpy(&ifmgd->vht_capa_mask, &req->vht_capa_mask,
+ sizeof(ifmgd->vht_capa_mask));
+
if (req->ie && req->ie_len) {
memcpy(assoc_data->ie, req->ie, req->ie_len);
assoc_data->ie_len = req->ie_len;
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 430bd254e496..950c95bec13d 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -277,7 +277,7 @@ void ieee80211_start_next_roc(struct ieee80211_local *local)
duration = 10;
ret = drv_remain_on_channel(local, roc->sdata, roc->chan,
- duration);
+ duration, roc->type);
roc->started = true;
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index d0275f34bf70..b471a67f224d 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -6,32 +6,11 @@
#include "driver-ops.h"
#include "led.h"
-/* return value indicates whether the driver should be further notified */
-static void ieee80211_quiesce(struct ieee80211_sub_if_data *sdata)
-{
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_STATION:
- ieee80211_sta_quiesce(sdata);
- break;
- case NL80211_IFTYPE_ADHOC:
- ieee80211_ibss_quiesce(sdata);
- break;
- case NL80211_IFTYPE_MESH_POINT:
- ieee80211_mesh_quiesce(sdata);
- break;
- default:
- break;
- }
-
- cancel_work_sync(&sdata->work);
-}
-
int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
{
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_sub_if_data *sdata;
struct sta_info *sta;
- struct ieee80211_chanctx *ctx;
if (!local->open_count)
goto suspend;
@@ -93,19 +72,12 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
return err;
} else if (err > 0) {
WARN_ON(err != 1);
- local->wowlan = false;
+ return err;
} else {
- list_for_each_entry(sdata, &local->interfaces, list)
- if (ieee80211_sdata_running(sdata))
- ieee80211_quiesce(sdata);
goto suspend;
}
}
- /* disable keys */
- list_for_each_entry(sdata, &local->interfaces, list)
- ieee80211_disable_keys(sdata);
-
/* tear down aggregation sessions and remove STAs */
mutex_lock(&local->sta_mtx);
list_for_each_entry(sta, &local->sta_list, list) {
@@ -117,100 +89,25 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
WARN_ON(drv_sta_state(local, sta->sdata, sta,
state, state - 1));
}
-
- mesh_plink_quiesce(sta);
}
mutex_unlock(&local->sta_mtx);
/* remove all interfaces */
list_for_each_entry(sdata, &local->interfaces, list) {
- static u8 zero_addr[ETH_ALEN] = {};
- u32 changed = 0;
-
if (!ieee80211_sdata_running(sdata))
continue;
-
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_AP_VLAN:
- case NL80211_IFTYPE_MONITOR:
- /* skip these */
- continue;
- case NL80211_IFTYPE_STATION:
- if (sdata->vif.bss_conf.assoc)
- changed = BSS_CHANGED_ASSOC |
- BSS_CHANGED_BSSID |
- BSS_CHANGED_IDLE;
- break;
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_ADHOC:
- case NL80211_IFTYPE_MESH_POINT:
- if (sdata->vif.bss_conf.enable_beacon)
- changed = BSS_CHANGED_BEACON_ENABLED;
- break;
- default:
- break;
- }
-
- ieee80211_quiesce(sdata);
-
- sdata->suspend_bss_conf = sdata->vif.bss_conf;
- memset(&sdata->vif.bss_conf, 0, sizeof(sdata->vif.bss_conf));
- sdata->vif.bss_conf.idle = true;
- if (sdata->suspend_bss_conf.bssid)
- sdata->vif.bss_conf.bssid = zero_addr;
-
- /* disable beaconing or remove association */
- ieee80211_bss_info_change_notify(sdata, changed);
-
- if (sdata->vif.type == NL80211_IFTYPE_AP &&
- rcu_access_pointer(sdata->u.ap.beacon))
- drv_stop_ap(local, sdata);
-
- if (local->use_chanctx) {
- struct ieee80211_chanctx_conf *conf;
-
- mutex_lock(&local->chanctx_mtx);
- conf = rcu_dereference_protected(
- sdata->vif.chanctx_conf,
- lockdep_is_held(&local->chanctx_mtx));
- if (conf) {
- ctx = container_of(conf,
- struct ieee80211_chanctx,
- conf);
- drv_unassign_vif_chanctx(local, sdata, ctx);
- }
-
- mutex_unlock(&local->chanctx_mtx);
- }
drv_remove_interface(local, sdata);
}
sdata = rtnl_dereference(local->monitor_sdata);
- if (sdata) {
- if (local->use_chanctx) {
- struct ieee80211_chanctx_conf *conf;
-
- mutex_lock(&local->chanctx_mtx);
- conf = rcu_dereference_protected(
- sdata->vif.chanctx_conf,
- lockdep_is_held(&local->chanctx_mtx));
- if (conf) {
- ctx = container_of(conf,
- struct ieee80211_chanctx,
- conf);
- drv_unassign_vif_chanctx(local, sdata, ctx);
- }
-
- mutex_unlock(&local->chanctx_mtx);
- }
-
+ if (sdata)
drv_remove_interface(local, sdata);
- }
- mutex_lock(&local->chanctx_mtx);
- list_for_each_entry(ctx, &local->chanctx_list, list)
- drv_remove_chanctx(local, ctx);
- mutex_unlock(&local->chanctx_mtx);
+ /*
+ * We disconnected on all interfaces before suspend, all channel
+ * contexts should be released.
+ */
+ WARN_ON(!list_empty(&local->chanctx_list));
/* stop hardware - this must stop RX */
if (local->open_count)
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index eea45a2c7c35..1c36c9b4fa4a 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -55,7 +55,6 @@
#include "rate.h"
#include "rc80211_minstrel.h"
-#define SAMPLE_COLUMNS 10
#define SAMPLE_TBL(_mi, _idx, _col) \
_mi->sample_table[(_idx * SAMPLE_COLUMNS) + _col]
@@ -70,16 +69,31 @@ rix_to_ndx(struct minstrel_sta_info *mi, int rix)
return i;
}
+/* find & sort topmost throughput rates */
+static inline void
+minstrel_sort_best_tp_rates(struct minstrel_sta_info *mi, int i, u8 *tp_list)
+{
+ int j = MAX_THR_RATES;
+
+ while (j > 0 && mi->r[i].cur_tp > mi->r[tp_list[j - 1]].cur_tp)
+ j--;
+ if (j < MAX_THR_RATES - 1)
+ memmove(&tp_list[j + 1], &tp_list[j], MAX_THR_RATES - (j + 1));
+ if (j < MAX_THR_RATES)
+ tp_list[j] = i;
+}
+
static void
minstrel_update_stats(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
{
- u32 max_tp = 0, index_max_tp = 0, index_max_tp2 = 0;
- u32 max_prob = 0, index_max_prob = 0;
+ u8 tmp_tp_rate[MAX_THR_RATES];
+ u8 tmp_prob_rate = 0;
u32 usecs;
- u32 p;
int i;
- mi->stats_update = jiffies;
+ for (i=0; i < MAX_THR_RATES; i++)
+ tmp_tp_rate[i] = 0;
+
for (i = 0; i < mi->n_rates; i++) {
struct minstrel_rate *mr = &mi->r[i];
@@ -87,27 +101,32 @@ minstrel_update_stats(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
if (!usecs)
usecs = 1000000;
- /* To avoid rounding issues, probabilities scale from 0 (0%)
- * to 18000 (100%) */
- if (mr->attempts) {
- p = (mr->success * 18000) / mr->attempts;
+ if (unlikely(mr->attempts > 0)) {
+ mr->sample_skipped = 0;
+ mr->cur_prob = MINSTREL_FRAC(mr->success, mr->attempts);
mr->succ_hist += mr->success;
mr->att_hist += mr->attempts;
- mr->cur_prob = p;
- p = ((p * (100 - mp->ewma_level)) + (mr->probability *
- mp->ewma_level)) / 100;
- mr->probability = p;
- mr->cur_tp = p * (1000000 / usecs);
- }
+ mr->probability = minstrel_ewma(mr->probability,
+ mr->cur_prob,
+ EWMA_LEVEL);
+ } else
+ mr->sample_skipped++;
mr->last_success = mr->success;
mr->last_attempts = mr->attempts;
mr->success = 0;
mr->attempts = 0;
+ /* Update throughput per rate, reset thr. below 10% success */
+ if (mr->probability < MINSTREL_FRAC(10, 100))
+ mr->cur_tp = 0;
+ else
+ mr->cur_tp = mr->probability * (1000000 / usecs);
+
/* Sample less often below the 10% chance of success.
* Sample less often above the 95% chance of success. */
- if ((mr->probability > 17100) || (mr->probability < 1800)) {
+ if (mr->probability > MINSTREL_FRAC(95, 100) ||
+ mr->probability < MINSTREL_FRAC(10, 100)) {
mr->adjusted_retry_count = mr->retry_count >> 1;
if (mr->adjusted_retry_count > 2)
mr->adjusted_retry_count = 2;
@@ -118,35 +137,30 @@ minstrel_update_stats(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
}
if (!mr->adjusted_retry_count)
mr->adjusted_retry_count = 2;
- }
- for (i = 0; i < mi->n_rates; i++) {
- struct minstrel_rate *mr = &mi->r[i];
- if (max_tp < mr->cur_tp) {
- index_max_tp = i;
- max_tp = mr->cur_tp;
- }
- if (max_prob < mr->probability) {
- index_max_prob = i;
- max_prob = mr->probability;
+ minstrel_sort_best_tp_rates(mi, i, tmp_tp_rate);
+
+ /* To determine the most robust rate (max_prob_rate) used at
+ * 3rd mmr stage we distinct between two cases:
+ * (1) if any success probabilitiy >= 95%, out of those rates
+ * choose the maximum throughput rate as max_prob_rate
+ * (2) if all success probabilities < 95%, the rate with
+ * highest success probability is choosen as max_prob_rate */
+ if (mr->probability >= MINSTREL_FRAC(95,100)) {
+ if (mr->cur_tp >= mi->r[tmp_prob_rate].cur_tp)
+ tmp_prob_rate = i;
+ } else {
+ if (mr->probability >= mi->r[tmp_prob_rate].probability)
+ tmp_prob_rate = i;
}
}
- max_tp = 0;
- for (i = 0; i < mi->n_rates; i++) {
- struct minstrel_rate *mr = &mi->r[i];
-
- if (i == index_max_tp)
- continue;
+ /* Assign the new rate set */
+ memcpy(mi->max_tp_rate, tmp_tp_rate, sizeof(mi->max_tp_rate));
+ mi->max_prob_rate = tmp_prob_rate;
- if (max_tp < mr->cur_tp) {
- index_max_tp2 = i;
- max_tp = mr->cur_tp;
- }
- }
- mi->max_tp_rate = index_max_tp;
- mi->max_tp_rate2 = index_max_tp2;
- mi->max_prob_rate = index_max_prob;
+ /* Reset update timer */
+ mi->stats_update = jiffies;
}
static void
@@ -207,10 +221,10 @@ static int
minstrel_get_next_sample(struct minstrel_sta_info *mi)
{
unsigned int sample_ndx;
- sample_ndx = SAMPLE_TBL(mi, mi->sample_idx, mi->sample_column);
- mi->sample_idx++;
- if ((int) mi->sample_idx > (mi->n_rates - 2)) {
- mi->sample_idx = 0;
+ sample_ndx = SAMPLE_TBL(mi, mi->sample_row, mi->sample_column);
+ mi->sample_row++;
+ if ((int) mi->sample_row >= mi->n_rates) {
+ mi->sample_row = 0;
mi->sample_column++;
if (mi->sample_column >= SAMPLE_COLUMNS)
mi->sample_column = 0;
@@ -228,31 +242,37 @@ minstrel_get_rate(void *priv, struct ieee80211_sta *sta,
struct minstrel_priv *mp = priv;
struct ieee80211_tx_rate *ar = info->control.rates;
unsigned int ndx, sample_ndx = 0;
- bool mrr;
- bool sample_slower = false;
- bool sample = false;
+ bool mrr_capable;
+ bool indirect_rate_sampling = false;
+ bool rate_sampling = false;
int i, delta;
int mrr_ndx[3];
- int sample_rate;
+ int sampling_ratio;
+ /* management/no-ack frames do not use rate control */
if (rate_control_send_low(sta, priv_sta, txrc))
return;
- mrr = mp->has_mrr && !txrc->rts && !txrc->bss_conf->use_cts_prot;
-
- ndx = mi->max_tp_rate;
-
- if (mrr)
- sample_rate = mp->lookaround_rate_mrr;
+ /* check multi-rate-retry capabilities & adjust lookaround_rate */
+ mrr_capable = mp->has_mrr &&
+ !txrc->rts &&
+ !txrc->bss_conf->use_cts_prot;
+ if (mrr_capable)
+ sampling_ratio = mp->lookaround_rate_mrr;
else
- sample_rate = mp->lookaround_rate;
+ sampling_ratio = mp->lookaround_rate;
+
+ /* init rateindex [ndx] with max throughput rate */
+ ndx = mi->max_tp_rate[0];
+ /* increase sum packet counter */
mi->packet_count++;
- delta = (mi->packet_count * sample_rate / 100) -
+
+ delta = (mi->packet_count * sampling_ratio / 100) -
(mi->sample_count + mi->sample_deferred / 2);
/* delta > 0: sampling required */
- if ((delta > 0) && (mrr || !mi->prev_sample)) {
+ if ((delta > 0) && (mrr_capable || !mi->prev_sample)) {
struct minstrel_rate *msr;
if (mi->packet_count >= 10000) {
mi->sample_deferred = 0;
@@ -271,21 +291,28 @@ minstrel_get_rate(void *priv, struct ieee80211_sta *sta,
mi->sample_count += (delta - mi->n_rates * 2);
}
+ /* get next random rate sample */
sample_ndx = minstrel_get_next_sample(mi);
msr = &mi->r[sample_ndx];
- sample = true;
- sample_slower = mrr && (msr->perfect_tx_time >
- mi->r[ndx].perfect_tx_time);
-
- if (!sample_slower) {
+ rate_sampling = true;
+
+ /* Decide if direct ( 1st mrr stage) or indirect (2nd mrr stage)
+ * rate sampling method should be used.
+ * Respect such rates that are not sampled for 20 interations.
+ */
+ if (mrr_capable &&
+ msr->perfect_tx_time > mi->r[ndx].perfect_tx_time &&
+ msr->sample_skipped < 20)
+ indirect_rate_sampling = true;
+
+ if (!indirect_rate_sampling) {
if (msr->sample_limit != 0) {
ndx = sample_ndx;
mi->sample_count++;
if (msr->sample_limit > 0)
msr->sample_limit--;
- } else {
- sample = false;
- }
+ } else
+ rate_sampling = false;
} else {
/* Only use IEEE80211_TX_CTL_RATE_CTRL_PROBE to mark
* packets that have the sampling rate deferred to the
@@ -297,34 +324,39 @@ minstrel_get_rate(void *priv, struct ieee80211_sta *sta,
mi->sample_deferred++;
}
}
- mi->prev_sample = sample;
+ mi->prev_sample = rate_sampling;
/* 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;
+ if (!mrr_capable && rate_sampling &&
+ (mi->r[ndx].probability > MINSTREL_FRAC(95, 100)))
+ ndx = mi->max_tp_rate[0];
+ /* mrr setup for 1st stage */
ar[0].idx = mi->r[ndx].rix;
ar[0].count = minstrel_get_retry_count(&mi->r[ndx], info);
- if (!mrr) {
- if (!sample)
+ /* non mrr setup for 2nd stage */
+ if (!mrr_capable) {
+ if (!rate_sampling)
ar[0].count = mp->max_retry;
ar[1].idx = mi->lowest_rix;
ar[1].count = mp->max_retry;
return;
}
- /* MRR setup */
- if (sample) {
- if (sample_slower)
+ /* mrr setup for 2nd stage */
+ if (rate_sampling) {
+ if (indirect_rate_sampling)
mrr_ndx[0] = sample_ndx;
else
- mrr_ndx[0] = mi->max_tp_rate;
+ mrr_ndx[0] = mi->max_tp_rate[0];
} else {
- mrr_ndx[0] = mi->max_tp_rate2;
+ mrr_ndx[0] = mi->max_tp_rate[1];
}
+
+ /* mrr setup for 3rd & 4th stage */
mrr_ndx[1] = mi->max_prob_rate;
mrr_ndx[2] = 0;
for (i = 1; i < 4; i++) {
@@ -351,26 +383,21 @@ static void
init_sample_table(struct minstrel_sta_info *mi)
{
unsigned int i, col, new_idx;
- unsigned int n_srates = mi->n_rates - 1;
u8 rnd[8];
mi->sample_column = 0;
- mi->sample_idx = 0;
- memset(mi->sample_table, 0, SAMPLE_COLUMNS * mi->n_rates);
+ mi->sample_row = 0;
+ memset(mi->sample_table, 0xff, SAMPLE_COLUMNS * mi->n_rates);
for (col = 0; col < SAMPLE_COLUMNS; col++) {
- for (i = 0; i < n_srates; i++) {
+ for (i = 0; i < mi->n_rates; i++) {
get_random_bytes(rnd, sizeof(rnd));
- new_idx = (i + rnd[i & 7]) % n_srates;
+ new_idx = (i + rnd[i & 7]) % mi->n_rates;
- while (SAMPLE_TBL(mi, new_idx, col) != 0)
- new_idx = (new_idx + 1) % n_srates;
+ while (SAMPLE_TBL(mi, new_idx, col) != 0xff)
+ new_idx = (new_idx + 1) % mi->n_rates;
- /* Don't sample the slowest rate (i.e. slowest base
- * rate). We must presume that the slowest rate works
- * fine, or else other management frames will also be
- * failing and the link will break */
- SAMPLE_TBL(mi, new_idx, col) = i + 1;
+ SAMPLE_TBL(mi, new_idx, col) = i;
}
}
}
@@ -542,9 +569,6 @@ minstrel_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
mp->lookaround_rate = 5;
mp->lookaround_rate_mrr = 10;
- /* moving average weight for EWMA */
- mp->ewma_level = 75;
-
/* maximum time that the hw is allowed to stay in one MRR segment */
mp->segment_size = 6000;
diff --git a/net/mac80211/rc80211_minstrel.h b/net/mac80211/rc80211_minstrel.h
index 5ecf757817f2..85ebf42cb46d 100644
--- a/net/mac80211/rc80211_minstrel.h
+++ b/net/mac80211/rc80211_minstrel.h
@@ -9,6 +9,28 @@
#ifndef __RC_MINSTREL_H
#define __RC_MINSTREL_H
+#define EWMA_LEVEL 75 /* ewma weighting factor [%] */
+#define SAMPLE_COLUMNS 10 /* number of columns in sample table */
+
+
+/* scaled fraction values */
+#define MINSTREL_SCALE 16
+#define MINSTREL_FRAC(val, div) (((val) << MINSTREL_SCALE) / div)
+#define MINSTREL_TRUNC(val) ((val) >> MINSTREL_SCALE)
+
+/* number of highest throughput rates to consider*/
+#define MAX_THR_RATES 4
+
+/*
+ * Perform EWMA (Exponentially Weighted Moving Average) calculation
+ */
+static inline int
+minstrel_ewma(int old, int new, int weight)
+{
+ return (new * (100 - weight) + old * weight) / 100;
+}
+
+
struct minstrel_rate {
int bitrate;
int rix;
@@ -26,6 +48,7 @@ struct minstrel_rate {
u32 attempts;
u32 last_attempts;
u32 last_success;
+ u8 sample_skipped;
/* parts per thousand */
u32 cur_prob;
@@ -45,14 +68,13 @@ struct minstrel_sta_info {
unsigned int lowest_rix;
- unsigned int max_tp_rate;
- unsigned int max_tp_rate2;
- unsigned int max_prob_rate;
+ u8 max_tp_rate[MAX_THR_RATES];
+ u8 max_prob_rate;
unsigned int packet_count;
unsigned int sample_count;
int sample_deferred;
- unsigned int sample_idx;
+ unsigned int sample_row;
unsigned int sample_column;
int n_rates;
@@ -73,7 +95,6 @@ struct minstrel_priv {
unsigned int cw_min;
unsigned int cw_max;
unsigned int max_retry;
- unsigned int ewma_level;
unsigned int segment_size;
unsigned int update_interval;
unsigned int lookaround_rate;
diff --git a/net/mac80211/rc80211_minstrel_debugfs.c b/net/mac80211/rc80211_minstrel_debugfs.c
index d5a56226e675..d1048348d399 100644
--- a/net/mac80211/rc80211_minstrel_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_debugfs.c
@@ -73,15 +73,17 @@ minstrel_stats_open(struct inode *inode, struct file *file)
for (i = 0; i < mi->n_rates; i++) {
struct minstrel_rate *mr = &mi->r[i];
- *(p++) = (i == mi->max_tp_rate) ? 'T' : ' ';
- *(p++) = (i == mi->max_tp_rate2) ? 't' : ' ';
+ *(p++) = (i == mi->max_tp_rate[0]) ? 'A' : ' ';
+ *(p++) = (i == mi->max_tp_rate[1]) ? 'B' : ' ';
+ *(p++) = (i == mi->max_tp_rate[2]) ? 'C' : ' ';
+ *(p++) = (i == mi->max_tp_rate[3]) ? 'D' : ' ';
*(p++) = (i == mi->max_prob_rate) ? 'P' : ' ';
p += sprintf(p, "%3u%s", mr->bitrate / 2,
(mr->bitrate & 1 ? ".5" : " "));
- tp = mr->cur_tp / ((18000 << 10) / 96);
- prob = mr->cur_prob / 18;
- eprob = mr->probability / 18;
+ tp = MINSTREL_TRUNC(mr->cur_tp / 10);
+ prob = MINSTREL_TRUNC(mr->cur_prob * 1000);
+ eprob = MINSTREL_TRUNC(mr->probability * 1000);
p += sprintf(p, " %6u.%1u %6u.%1u %6u.%1u "
"%3u(%3u) %8llu %8llu\n",
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 3af141c69712..749552bdcfe1 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -17,8 +17,6 @@
#include "rc80211_minstrel_ht.h"
#define AVG_PKT_SIZE 1200
-#define SAMPLE_COLUMNS 10
-#define EWMA_LEVEL 75
/* Number of bits for an average sized packet */
#define MCS_NBITS (AVG_PKT_SIZE << 3)
@@ -26,11 +24,11 @@
/* Number of symbols for a packet with (bps) bits per symbol */
#define MCS_NSYMS(bps) ((MCS_NBITS + (bps) - 1) / (bps))
-/* Transmission time for a packet containing (syms) symbols */
+/* Transmission time (nanoseconds) for a packet containing (syms) symbols */
#define MCS_SYMBOL_TIME(sgi, syms) \
(sgi ? \
- ((syms) * 18 + 4) / 5 : /* syms * 3.6 us */ \
- (syms) << 2 /* syms * 4 us */ \
+ ((syms) * 18000 + 4000) / 5 : /* syms * 3.6 us */ \
+ ((syms) * 1000) << 2 /* syms * 4 us */ \
)
/* Transmit duration for the raw data part of an average sized packet */
@@ -64,9 +62,9 @@
}
#define CCK_DURATION(_bitrate, _short, _len) \
- (10 /* SIFS */ + \
+ (1000 * (10 /* SIFS */ + \
(_short ? 72 + 24 : 144 + 48 ) + \
- (8 * (_len + 4) * 10) / (_bitrate))
+ (8 * (_len + 4) * 10) / (_bitrate)))
#define CCK_ACK_DURATION(_bitrate, _short) \
(CCK_DURATION((_bitrate > 10 ? 20 : 10), false, 60) + \
@@ -129,15 +127,6 @@ const struct mcs_group minstrel_mcs_groups[] = {
static u8 sample_table[SAMPLE_COLUMNS][MCS_GROUP_RATES];
/*
- * Perform EWMA (Exponentially Weighted Moving Average) calculation
- */
-static int
-minstrel_ewma(int old, int new, int weight)
-{
- return (new * (100 - weight) + old * weight) / 100;
-}
-
-/*
* Look up an MCS group index based on mac80211 rate information
*/
static int
@@ -211,7 +200,8 @@ static void
minstrel_ht_calc_tp(struct minstrel_ht_sta *mi, int group, int rate)
{
struct minstrel_rate_stats *mr;
- unsigned int usecs = 0;
+ unsigned int nsecs = 0;
+ unsigned int tp;
mr = &mi->groups[group].rates[rate];
@@ -221,10 +211,12 @@ minstrel_ht_calc_tp(struct minstrel_ht_sta *mi, int group, int rate)
}
if (group != MINSTREL_CCK_GROUP)
- usecs = mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len);
+ nsecs = 1000 * mi->overhead / MINSTREL_TRUNC(mi->avg_ampdu_len);
- usecs += minstrel_mcs_groups[group].duration[rate];
- mr->cur_tp = MINSTREL_TRUNC((1000000 / usecs) * mr->probability);
+ nsecs += minstrel_mcs_groups[group].duration[rate];
+ tp = 1000000 * ((mr->probability * 1000) / nsecs);
+
+ mr->cur_tp = MINSTREL_TRUNC(tp);
}
/*
@@ -308,8 +300,8 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
}
}
- /* try to sample up to half of the available rates during each interval */
- mi->sample_count *= 4;
+ /* try to sample all available rates during each interval */
+ mi->sample_count *= 8;
cur_prob = 0;
cur_prob_tp = 0;
@@ -320,20 +312,13 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
if (!mg->supported)
continue;
- mr = minstrel_get_ratestats(mi, mg->max_prob_rate);
- if (cur_prob_tp < mr->cur_tp &&
- minstrel_mcs_groups[group].streams == 1) {
- mi->max_prob_rate = mg->max_prob_rate;
- cur_prob = mr->cur_prob;
- cur_prob_tp = mr->cur_tp;
- }
-
mr = minstrel_get_ratestats(mi, mg->max_tp_rate);
if (cur_tp < mr->cur_tp) {
mi->max_tp_rate2 = mi->max_tp_rate;
cur_tp2 = cur_tp;
mi->max_tp_rate = mg->max_tp_rate;
cur_tp = mr->cur_tp;
+ mi->max_prob_streams = minstrel_mcs_groups[group].streams - 1;
}
mr = minstrel_get_ratestats(mi, mg->max_tp_rate2);
@@ -343,6 +328,23 @@ minstrel_ht_update_stats(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
}
}
+ if (mi->max_prob_streams < 1)
+ mi->max_prob_streams = 1;
+
+ for (group = 0; group < ARRAY_SIZE(minstrel_mcs_groups); group++) {
+ mg = &mi->groups[group];
+ if (!mg->supported)
+ continue;
+ mr = minstrel_get_ratestats(mi, mg->max_prob_rate);
+ if (cur_prob_tp < mr->cur_tp &&
+ minstrel_mcs_groups[group].streams <= mi->max_prob_streams) {
+ mi->max_prob_rate = mg->max_prob_rate;
+ cur_prob = mr->cur_prob;
+ cur_prob_tp = mr->cur_tp;
+ }
+ }
+
+
mi->stats_update = jiffies;
}
@@ -467,7 +469,7 @@ minstrel_ht_tx_status(void *priv, struct ieee80211_supported_band *sband,
if (!mi->sample_wait && !mi->sample_tries && mi->sample_count > 0) {
mi->sample_wait = 16 + 2 * MINSTREL_TRUNC(mi->avg_ampdu_len);
- mi->sample_tries = 2;
+ mi->sample_tries = 1;
mi->sample_count--;
}
@@ -536,7 +538,7 @@ minstrel_calc_retransmit(struct minstrel_priv *mp, struct minstrel_ht_sta *mi,
mr->retry_updated = true;
group = &minstrel_mcs_groups[index / MCS_GROUP_RATES];
- tx_time_data = group->duration[index % MCS_GROUP_RATES] * ampdu_len;
+ tx_time_data = group->duration[index % MCS_GROUP_RATES] * ampdu_len / 1000;
/* Contention time for first 2 tries */
ctime = (t_slot * cw) >> 1;
@@ -616,6 +618,7 @@ minstrel_get_sample_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
{
struct minstrel_rate_stats *mr;
struct minstrel_mcs_group_data *mg;
+ unsigned int sample_dur, sample_group;
int sample_idx = 0;
if (mi->sample_wait > 0) {
@@ -626,11 +629,11 @@ minstrel_get_sample_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
if (!mi->sample_tries)
return -1;
- mi->sample_tries--;
mg = &mi->groups[mi->sample_group];
sample_idx = sample_table[mg->column][mg->index];
mr = &mg->rates[sample_idx];
- sample_idx += mi->sample_group * MCS_GROUP_RATES;
+ sample_group = mi->sample_group;
+ sample_idx += sample_group * MCS_GROUP_RATES;
minstrel_next_sample_idx(mi);
/*
@@ -651,14 +654,18 @@ minstrel_get_sample_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
* Make sure that lower rates get sampled only occasionally,
* if the link is working perfectly.
*/
- if (minstrel_get_duration(sample_idx) >
- minstrel_get_duration(mi->max_tp_rate)) {
+ sample_dur = minstrel_get_duration(sample_idx);
+ if (sample_dur >= minstrel_get_duration(mi->max_tp_rate2) &&
+ (mi->max_prob_streams <
+ minstrel_mcs_groups[sample_group].streams ||
+ sample_dur >= minstrel_get_duration(mi->max_prob_rate))) {
if (mr->sample_skipped < 20)
return -1;
if (mi->sample_slow++ > 2)
return -1;
}
+ mi->sample_tries--;
return sample_idx;
}
diff --git a/net/mac80211/rc80211_minstrel_ht.h b/net/mac80211/rc80211_minstrel_ht.h
index 302dbd52180d..9b16e9de9923 100644
--- a/net/mac80211/rc80211_minstrel_ht.h
+++ b/net/mac80211/rc80211_minstrel_ht.h
@@ -16,11 +16,6 @@
#define MINSTREL_MAX_STREAMS 3
#define MINSTREL_STREAM_GROUPS 4
-/* scaled fraction values */
-#define MINSTREL_SCALE 16
-#define MINSTREL_FRAC(val, div) (((val) << MINSTREL_SCALE) / div)
-#define MINSTREL_TRUNC(val) ((val) >> MINSTREL_SCALE)
-
#define MCS_GROUP_RATES 8
struct mcs_group {
@@ -85,6 +80,7 @@ struct minstrel_ht_sta {
/* best probability rate */
unsigned int max_prob_rate;
+ unsigned int max_prob_streams;
/* time of last status update */
unsigned long stats_update;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index c6844ad080be..2528b5a4d6d4 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -648,24 +648,6 @@ static ieee80211_rx_result ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
return RX_CONTINUE;
}
-#define SEQ_MODULO 0x1000
-#define SEQ_MASK 0xfff
-
-static inline int seq_less(u16 sq1, u16 sq2)
-{
- return ((sq1 - sq2) & SEQ_MASK) > (SEQ_MODULO >> 1);
-}
-
-static inline u16 seq_inc(u16 sq)
-{
- return (sq + 1) & SEQ_MASK;
-}
-
-static inline u16 seq_sub(u16 sq1, u16 sq2)
-{
- return (sq1 - sq2) & SEQ_MASK;
-}
-
static void ieee80211_release_reorder_frame(struct ieee80211_sub_if_data *sdata,
struct tid_ampdu_rx *tid_agg_rx,
int index,
@@ -687,7 +669,7 @@ static void ieee80211_release_reorder_frame(struct ieee80211_sub_if_data *sdata,
__skb_queue_tail(frames, skb);
no_frame:
- tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num);
+ tid_agg_rx->head_seq_num = ieee80211_sn_inc(tid_agg_rx->head_seq_num);
}
static void ieee80211_release_reorder_frames(struct ieee80211_sub_if_data *sdata,
@@ -699,8 +681,9 @@ static void ieee80211_release_reorder_frames(struct ieee80211_sub_if_data *sdata
lockdep_assert_held(&tid_agg_rx->reorder_lock);
- while (seq_less(tid_agg_rx->head_seq_num, head_seq_num)) {
- index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
+ while (ieee80211_sn_less(tid_agg_rx->head_seq_num, head_seq_num)) {
+ index = ieee80211_sn_sub(tid_agg_rx->head_seq_num,
+ tid_agg_rx->ssn) %
tid_agg_rx->buf_size;
ieee80211_release_reorder_frame(sdata, tid_agg_rx, index,
frames);
@@ -727,8 +710,8 @@ static void ieee80211_sta_reorder_release(struct ieee80211_sub_if_data *sdata,
lockdep_assert_held(&tid_agg_rx->reorder_lock);
/* release the buffer until next missing frame */
- index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
- tid_agg_rx->buf_size;
+ index = ieee80211_sn_sub(tid_agg_rx->head_seq_num,
+ tid_agg_rx->ssn) % tid_agg_rx->buf_size;
if (!tid_agg_rx->reorder_buf[index] &&
tid_agg_rx->stored_mpdu_num) {
/*
@@ -756,19 +739,22 @@ static void ieee80211_sta_reorder_release(struct ieee80211_sub_if_data *sdata,
* Increment the head seq# also for the skipped slots.
*/
tid_agg_rx->head_seq_num =
- (tid_agg_rx->head_seq_num + skipped) & SEQ_MASK;
+ (tid_agg_rx->head_seq_num +
+ skipped) & IEEE80211_SN_MASK;
skipped = 0;
}
} else while (tid_agg_rx->reorder_buf[index]) {
ieee80211_release_reorder_frame(sdata, tid_agg_rx, index,
frames);
- index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
+ index = ieee80211_sn_sub(tid_agg_rx->head_seq_num,
+ tid_agg_rx->ssn) %
tid_agg_rx->buf_size;
}
if (tid_agg_rx->stored_mpdu_num) {
- j = index = seq_sub(tid_agg_rx->head_seq_num,
- tid_agg_rx->ssn) % tid_agg_rx->buf_size;
+ j = index = ieee80211_sn_sub(tid_agg_rx->head_seq_num,
+ tid_agg_rx->ssn) %
+ tid_agg_rx->buf_size;
for (; j != (index - 1) % tid_agg_rx->buf_size;
j = (j + 1) % tid_agg_rx->buf_size) {
@@ -809,7 +795,7 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_sub_if_data *sdata
head_seq_num = tid_agg_rx->head_seq_num;
/* frame with out of date sequence number */
- if (seq_less(mpdu_seq_num, head_seq_num)) {
+ if (ieee80211_sn_less(mpdu_seq_num, head_seq_num)) {
dev_kfree_skb(skb);
goto out;
}
@@ -818,8 +804,9 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_sub_if_data *sdata
* If frame the sequence number exceeds our buffering window
* size release some previous frames to make room for this one.
*/
- if (!seq_less(mpdu_seq_num, head_seq_num + buf_size)) {
- head_seq_num = seq_inc(seq_sub(mpdu_seq_num, buf_size));
+ if (!ieee80211_sn_less(mpdu_seq_num, head_seq_num + buf_size)) {
+ head_seq_num = ieee80211_sn_inc(
+ ieee80211_sn_sub(mpdu_seq_num, buf_size));
/* release stored frames up to new head to stack */
ieee80211_release_reorder_frames(sdata, tid_agg_rx,
head_seq_num, frames);
@@ -827,7 +814,8 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_sub_if_data *sdata
/* Now the new frame is always in the range of the reordering buffer */
- index = seq_sub(mpdu_seq_num, tid_agg_rx->ssn) % tid_agg_rx->buf_size;
+ index = ieee80211_sn_sub(mpdu_seq_num,
+ tid_agg_rx->ssn) % tid_agg_rx->buf_size;
/* check if we already stored this frame */
if (tid_agg_rx->reorder_buf[index]) {
@@ -843,7 +831,8 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_sub_if_data *sdata
*/
if (mpdu_seq_num == tid_agg_rx->head_seq_num &&
tid_agg_rx->stored_mpdu_num == 0) {
- tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num);
+ tid_agg_rx->head_seq_num =
+ ieee80211_sn_inc(tid_agg_rx->head_seq_num);
ret = false;
goto out;
}
@@ -1894,8 +1883,10 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
* 'align' will only take the values 0 or 2 here
* since all frames are required to be aligned
* to 2-byte boundaries when being passed to
- * mac80211. That also explains the __skb_push()
- * below.
+ * mac80211; the code here works just as well if
+ * that isn't true, but mac80211 assumes it can
+ * access fields as 2-byte aligned (e.g. for
+ * compare_ether_addr)
*/
align = ((unsigned long)(skb->data + sizeof(struct ethhdr))) & 3;
if (align) {
@@ -2552,7 +2543,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
case WLAN_SP_MESH_PEERING_CONFIRM:
if (!ieee80211_vif_is_mesh(&sdata->vif))
goto invalid;
- if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
+ if (sdata->u.mesh.user_mpm)
/* userspace handles this frame */
break;
goto queue;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 238a0cca320e..85458a28ffa0 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -342,6 +342,11 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
INIT_WORK(&sta->drv_unblock_wk, sta_unblock);
INIT_WORK(&sta->ampdu_mlme.work, ieee80211_ba_session_work);
mutex_init(&sta->ampdu_mlme.mtx);
+#ifdef CONFIG_MAC80211_MESH
+ if (ieee80211_vif_is_mesh(&sdata->vif) &&
+ !sdata->u.mesh.user_mpm)
+ init_timer(&sta->plink_timer);
+#endif
memcpy(sta->sta.addr, addr, ETH_ALEN);
sta->local = local;
@@ -795,13 +800,16 @@ int __must_check __sta_info_destroy(struct sta_info *sta)
mutex_lock(&local->key_mtx);
for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
- __ieee80211_key_free(key_mtx_dereference(local, sta->gtk[i]));
+ __ieee80211_key_free(key_mtx_dereference(local, sta->gtk[i]),
+ true);
have_key = true;
}
if (sta->ptk) {
- __ieee80211_key_free(key_mtx_dereference(local, sta->ptk));
+ __ieee80211_key_free(key_mtx_dereference(local, sta->ptk),
+ true);
have_key = true;
}
+
mutex_unlock(&local->key_mtx);
if (!have_key)
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 4947341a2a82..e5868c32d1a3 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -281,7 +281,6 @@ struct sta_ampdu_mlme {
* @plink_state: peer link state
* @plink_timeout: timeout of peer link
* @plink_timer: peer link watch timer
- * @plink_timer_was_running: used by suspend/resume to restore timers
* @t_offset: timing offset relative to this host
* @t_offset_setpoint: reference timing offset of this sta to be used when
* calculating clockdrift
@@ -379,7 +378,6 @@ struct sta_info {
__le16 reason;
u8 plink_retries;
bool ignore_plink_timer;
- bool plink_timer_was_running;
enum nl80211_plink_state plink_state;
u32 plink_timeout;
struct timer_list plink_timer;
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 3d7cd2a0582f..e7db2b804e0c 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -1042,15 +1042,17 @@ TRACE_EVENT(drv_remain_on_channel,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
struct ieee80211_channel *chan,
- unsigned int duration),
+ unsigned int duration,
+ enum ieee80211_roc_type type),
- TP_ARGS(local, sdata, chan, duration),
+ TP_ARGS(local, sdata, chan, duration, type),
TP_STRUCT__entry(
LOCAL_ENTRY
VIF_ENTRY
__field(int, center_freq)
__field(unsigned int, duration)
+ __field(u32, type)
),
TP_fast_assign(
@@ -1058,12 +1060,13 @@ TRACE_EVENT(drv_remain_on_channel,
VIF_ASSIGN;
__entry->center_freq = chan->center_freq;
__entry->duration = duration;
+ __entry->type = type;
),
TP_printk(
- LOCAL_PR_FMT VIF_PR_FMT " freq:%dMHz duration:%dms",
+ LOCAL_PR_FMT VIF_PR_FMT " freq:%dMHz duration:%dms type=%d",
LOCAL_PR_ARG, VIF_PR_ARG,
- __entry->center_freq, __entry->duration
+ __entry->center_freq, __entry->duration, __entry->type
)
);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 8914d2d2881a..4e8a86163fc7 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2085,7 +2085,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
encaps_data = bridge_tunnel_header;
encaps_len = sizeof(bridge_tunnel_header);
skip_header_bytes -= 2;
- } else if (ethertype >= 0x600) {
+ } else if (ethertype >= ETH_P_802_3_MIN) {
encaps_data = rfc1042_header;
encaps_len = sizeof(rfc1042_header);
skip_header_bytes -= 2;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 0f38f43ac62e..b7a856e3281b 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1357,6 +1357,25 @@ void ieee80211_stop_device(struct ieee80211_local *local)
drv_stop(local);
}
+static void ieee80211_assign_chanctx(struct ieee80211_local *local,
+ struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_chanctx_conf *conf;
+ struct ieee80211_chanctx *ctx;
+
+ if (!local->use_chanctx)
+ return;
+
+ mutex_lock(&local->chanctx_mtx);
+ conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
+ lockdep_is_held(&local->chanctx_mtx));
+ if (conf) {
+ ctx = container_of(conf, struct ieee80211_chanctx, conf);
+ drv_assign_vif_chanctx(local, sdata, ctx);
+ }
+ mutex_unlock(&local->chanctx_mtx);
+}
+
int ieee80211_reconfig(struct ieee80211_local *local)
{
struct ieee80211_hw *hw = &local->hw;
@@ -1445,36 +1464,14 @@ int ieee80211_reconfig(struct ieee80211_local *local)
}
list_for_each_entry(sdata, &local->interfaces, list) {
- struct ieee80211_chanctx_conf *ctx_conf;
-
if (!ieee80211_sdata_running(sdata))
continue;
-
- mutex_lock(&local->chanctx_mtx);
- ctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
- lockdep_is_held(&local->chanctx_mtx));
- if (ctx_conf) {
- ctx = container_of(ctx_conf, struct ieee80211_chanctx,
- conf);
- drv_assign_vif_chanctx(local, sdata, ctx);
- }
- mutex_unlock(&local->chanctx_mtx);
+ ieee80211_assign_chanctx(local, sdata);
}
sdata = rtnl_dereference(local->monitor_sdata);
- if (sdata && local->use_chanctx && ieee80211_sdata_running(sdata)) {
- struct ieee80211_chanctx_conf *ctx_conf;
-
- mutex_lock(&local->chanctx_mtx);
- ctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
- lockdep_is_held(&local->chanctx_mtx));
- if (ctx_conf) {
- ctx = container_of(ctx_conf, struct ieee80211_chanctx,
- conf);
- drv_assign_vif_chanctx(local, sdata, ctx);
- }
- mutex_unlock(&local->chanctx_mtx);
- }
+ if (sdata && ieee80211_sdata_running(sdata))
+ ieee80211_assign_chanctx(local, sdata);
/* add STAs back */
mutex_lock(&local->sta_mtx);
@@ -1534,11 +1531,6 @@ int ieee80211_reconfig(struct ieee80211_local *local)
BSS_CHANGED_IDLE |
BSS_CHANGED_TXPOWER;
-#ifdef CONFIG_PM
- if (local->resuming && !reconfig_due_to_wowlan)
- sdata->vif.bss_conf = sdata->suspend_bss_conf;
-#endif
-
switch (sdata->vif.type) {
case NL80211_IFTYPE_STATION:
changed |= BSS_CHANGED_ASSOC |
@@ -1678,28 +1670,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
mb();
local->resuming = false;
- list_for_each_entry(sdata, &local->interfaces, list) {
- switch(sdata->vif.type) {
- case NL80211_IFTYPE_STATION:
- ieee80211_sta_restart(sdata);
- break;
- case NL80211_IFTYPE_ADHOC:
- ieee80211_ibss_restart(sdata);
- break;
- case NL80211_IFTYPE_MESH_POINT:
- ieee80211_mesh_restart(sdata);
- break;
- default:
- break;
- }
- }
-
mod_timer(&local->sta_cleanup, jiffies + 1);
-
- mutex_lock(&local->sta_mtx);
- list_for_each_entry(sta, &local->sta_list, list)
- mesh_plink_restart(sta);
- mutex_unlock(&local->sta_mtx);
#else
WARN_ON(1);
#endif
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index a2c2258bc84e..171344d4eb7c 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -13,6 +13,104 @@
#include "rate.h"
+static void __check_vhtcap_disable(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_sta_vht_cap *vht_cap,
+ u32 flag)
+{
+ __le32 le_flag = cpu_to_le32(flag);
+
+ if (sdata->u.mgd.vht_capa_mask.vht_cap_info & le_flag &&
+ !(sdata->u.mgd.vht_capa.vht_cap_info & le_flag))
+ vht_cap->cap &= ~flag;
+}
+
+void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_sta_vht_cap *vht_cap)
+{
+ int i;
+ u16 rxmcs_mask, rxmcs_cap, rxmcs_n, txmcs_mask, txmcs_cap, txmcs_n;
+
+ if (!vht_cap->vht_supported)
+ return;
+
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ return;
+
+ __check_vhtcap_disable(sdata, vht_cap,
+ IEEE80211_VHT_CAP_RXLDPC);
+ __check_vhtcap_disable(sdata, vht_cap,
+ IEEE80211_VHT_CAP_SHORT_GI_80);
+ __check_vhtcap_disable(sdata, vht_cap,
+ IEEE80211_VHT_CAP_SHORT_GI_160);
+ __check_vhtcap_disable(sdata, vht_cap,
+ IEEE80211_VHT_CAP_TXSTBC);
+ __check_vhtcap_disable(sdata, vht_cap,
+ IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
+ __check_vhtcap_disable(sdata, vht_cap,
+ IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
+ __check_vhtcap_disable(sdata, vht_cap,
+ IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN);
+ __check_vhtcap_disable(sdata, vht_cap,
+ IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN);
+
+ /* Allow user to decrease AMPDU length exponent */
+ if (sdata->u.mgd.vht_capa_mask.vht_cap_info &
+ cpu_to_le32(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK)) {
+ u32 cap, n;
+
+ n = le32_to_cpu(sdata->u.mgd.vht_capa.vht_cap_info) &
+ IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
+ n >>= IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
+ cap = vht_cap->cap & IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
+ cap >>= IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
+
+ if (n < cap) {
+ vht_cap->cap &=
+ ~IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
+ vht_cap->cap |=
+ n << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
+ }
+ }
+
+ /* Allow the user to decrease MCSes */
+ rxmcs_mask =
+ le16_to_cpu(sdata->u.mgd.vht_capa_mask.supp_mcs.rx_mcs_map);
+ rxmcs_n = le16_to_cpu(sdata->u.mgd.vht_capa.supp_mcs.rx_mcs_map);
+ rxmcs_n &= rxmcs_mask;
+ rxmcs_cap = le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map);
+
+ txmcs_mask =
+ le16_to_cpu(sdata->u.mgd.vht_capa_mask.supp_mcs.tx_mcs_map);
+ txmcs_n = le16_to_cpu(sdata->u.mgd.vht_capa.supp_mcs.tx_mcs_map);
+ txmcs_n &= txmcs_mask;
+ txmcs_cap = le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map);
+ for (i = 0; i < 8; i++) {
+ u8 m, n, c;
+
+ m = (rxmcs_mask >> 2*i) & IEEE80211_VHT_MCS_NOT_SUPPORTED;
+ n = (rxmcs_n >> 2*i) & IEEE80211_VHT_MCS_NOT_SUPPORTED;
+ c = (rxmcs_cap >> 2*i) & IEEE80211_VHT_MCS_NOT_SUPPORTED;
+
+ if (m && ((c != IEEE80211_VHT_MCS_NOT_SUPPORTED && n < c) ||
+ n == IEEE80211_VHT_MCS_NOT_SUPPORTED)) {
+ rxmcs_cap &= ~(3 << 2*i);
+ rxmcs_cap |= (rxmcs_n & (3 << 2*i));
+ }
+
+ m = (txmcs_mask >> 2*i) & IEEE80211_VHT_MCS_NOT_SUPPORTED;
+ n = (txmcs_n >> 2*i) & IEEE80211_VHT_MCS_NOT_SUPPORTED;
+ c = (txmcs_cap >> 2*i) & IEEE80211_VHT_MCS_NOT_SUPPORTED;
+
+ if (m && ((c != IEEE80211_VHT_MCS_NOT_SUPPORTED && n < c) ||
+ n == IEEE80211_VHT_MCS_NOT_SUPPORTED)) {
+ txmcs_cap &= ~(3 << 2*i);
+ txmcs_cap |= (txmcs_n & (3 << 2*i));
+ }
+ }
+ vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(rxmcs_cap);
+ vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(txmcs_cap);
+}
+
void
ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
struct ieee80211_supported_band *sband,
@@ -20,6 +118,8 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta)
{
struct ieee80211_sta_vht_cap *vht_cap = &sta->sta.vht_cap;
+ struct ieee80211_sta_vht_cap own_cap;
+ u32 cap_info, i;
memset(vht_cap, 0, sizeof(*vht_cap));
@@ -35,12 +135,122 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
vht_cap->vht_supported = true;
- vht_cap->cap = le32_to_cpu(vht_cap_ie->vht_cap_info);
+ own_cap = sband->vht_cap;
+ /*
+ * If user has specified capability overrides, take care
+ * of that if the station we're setting up is the AP that
+ * we advertised a restricted capability set to. Override
+ * our own capabilities and then use those below.
+ */
+ if (sdata->vif.type == NL80211_IFTYPE_STATION &&
+ !test_sta_flag(sta, WLAN_STA_TDLS_PEER))
+ ieee80211_apply_vhtcap_overrides(sdata, &own_cap);
+
+ /* take some capabilities as-is */
+ cap_info = le32_to_cpu(vht_cap_ie->vht_cap_info);
+ vht_cap->cap = cap_info;
+ vht_cap->cap &= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 |
+ IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
+ IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
+ IEEE80211_VHT_CAP_RXLDPC |
+ IEEE80211_VHT_CAP_VHT_TXOP_PS |
+ IEEE80211_VHT_CAP_HTC_VHT |
+ IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
+ IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB |
+ IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB |
+ IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
+ IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN;
+
+ /* and some based on our own capabilities */
+ switch (own_cap.cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
+ case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
+ vht_cap->cap |= cap_info &
+ IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
+ break;
+ case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
+ vht_cap->cap |= cap_info &
+ IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK;
+ break;
+ default:
+ /* nothing */
+ break;
+ }
+
+ /* symmetric capabilities */
+ vht_cap->cap |= cap_info & own_cap.cap &
+ (IEEE80211_VHT_CAP_SHORT_GI_80 |
+ IEEE80211_VHT_CAP_SHORT_GI_160);
+
+ /* remaining ones */
+ if (own_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) {
+ vht_cap->cap |= cap_info &
+ (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
+ IEEE80211_VHT_CAP_BEAMFORMER_ANTENNAS_MAX |
+ IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX);
+ }
+
+ if (own_cap.cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)
+ vht_cap->cap |= cap_info &
+ IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
+
+ if (own_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)
+ vht_cap->cap |= cap_info &
+ IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
+
+ if (own_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)
+ vht_cap->cap |= cap_info &
+ IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE;
+
+ if (own_cap.cap & IEEE80211_VHT_CAP_TXSTBC)
+ vht_cap->cap |= cap_info & IEEE80211_VHT_CAP_RXSTBC_MASK;
+
+ if (own_cap.cap & IEEE80211_VHT_CAP_RXSTBC_MASK)
+ vht_cap->cap |= cap_info & IEEE80211_VHT_CAP_TXSTBC;
/* Copy peer MCS info, the driver might need them. */
memcpy(&vht_cap->vht_mcs, &vht_cap_ie->supp_mcs,
sizeof(struct ieee80211_vht_mcs_info));
+ /* but also restrict MCSes */
+ for (i = 0; i < 8; i++) {
+ u16 own_rx, own_tx, peer_rx, peer_tx;
+
+ own_rx = le16_to_cpu(own_cap.vht_mcs.rx_mcs_map);
+ own_rx = (own_rx >> i * 2) & IEEE80211_VHT_MCS_NOT_SUPPORTED;
+
+ own_tx = le16_to_cpu(own_cap.vht_mcs.tx_mcs_map);
+ own_tx = (own_tx >> i * 2) & IEEE80211_VHT_MCS_NOT_SUPPORTED;
+
+ peer_rx = le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map);
+ peer_rx = (peer_rx >> i * 2) & IEEE80211_VHT_MCS_NOT_SUPPORTED;
+
+ peer_tx = le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map);
+ peer_tx = (peer_tx >> i * 2) & IEEE80211_VHT_MCS_NOT_SUPPORTED;
+
+ if (peer_tx != IEEE80211_VHT_MCS_NOT_SUPPORTED) {
+ if (own_rx == IEEE80211_VHT_MCS_NOT_SUPPORTED)
+ peer_tx = IEEE80211_VHT_MCS_NOT_SUPPORTED;
+ else if (own_rx < peer_tx)
+ peer_tx = own_rx;
+ }
+
+ if (peer_rx != IEEE80211_VHT_MCS_NOT_SUPPORTED) {
+ if (own_tx == IEEE80211_VHT_MCS_NOT_SUPPORTED)
+ peer_rx = IEEE80211_VHT_MCS_NOT_SUPPORTED;
+ else if (own_tx < peer_rx)
+ peer_rx = own_tx;
+ }
+
+ vht_cap->vht_mcs.rx_mcs_map &=
+ ~cpu_to_le16(IEEE80211_VHT_MCS_NOT_SUPPORTED << i * 2);
+ vht_cap->vht_mcs.rx_mcs_map |= cpu_to_le16(peer_rx << i * 2);
+
+ vht_cap->vht_mcs.tx_mcs_map &=
+ ~cpu_to_le16(IEEE80211_VHT_MCS_NOT_SUPPORTED << i * 2);
+ vht_cap->vht_mcs.tx_mcs_map |= cpu_to_le16(peer_tx << i * 2);
+ }
+
+ /* finally set up the bandwidth */
switch (vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
generated by cgit v1.2.3 (git 2.0.4) at 2024-09-05 23:10:30 +0000