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-rw-r--r--net/mac80211/cfg.c6
-rw-r--r--net/mac80211/ht.c181
-rw-r--r--net/mac80211/ieee80211_i.h12
-rw-r--r--net/mac80211/mlme.c88
4 files changed, 134 insertions, 153 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 28382b5c7c2..55e3a26510e 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -582,6 +582,8 @@ 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
@@ -622,7 +624,6 @@ 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;
@@ -635,7 +636,8 @@ static void sta_apply_parameters(struct ieee80211_local *local,
}
if (params->ht_capa)
- ieee80211_ht_cap_ie_to_sta_ht_cap(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) {
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index e2d121bf274..42c3e590df9 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -20,114 +20,38 @@
#include "sta_info.h"
#include "wme.h"
-void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_ht_cap *ht_cap_ie,
+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;
BUG_ON(!ht_cap);
memset(ht_cap, 0, sizeof(*ht_cap));
- if (ht_cap_ie) {
- u8 ampdu_info = ht_cap_ie->ampdu_params_info;
-
- ht_cap->ht_supported = true;
- ht_cap->cap = le16_to_cpu(ht_cap_ie->cap_info);
- ht_cap->ampdu_factor =
- ampdu_info & IEEE80211_HT_AMPDU_PARM_FACTOR;
- ht_cap->ampdu_density =
- (ampdu_info & IEEE80211_HT_AMPDU_PARM_DENSITY) >> 2;
- memcpy(&ht_cap->mcs, &ht_cap_ie->mcs, sizeof(ht_cap->mcs));
- } else
- ht_cap->ht_supported = false;
-}
-
-void ieee80211_ht_info_ie_to_ht_bss_info(
- struct ieee80211_ht_info *ht_add_info_ie,
- struct ieee80211_ht_bss_info *bss_info)
-{
- BUG_ON(!bss_info);
-
- memset(bss_info, 0, sizeof(*bss_info));
-
- if (ht_add_info_ie) {
- u16 op_mode;
- op_mode = le16_to_cpu(ht_add_info_ie->operation_mode);
-
- 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);
- }
-}
-
-/*
- * ieee80211_handle_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_handle_ht(struct ieee80211_local *local,
- struct ieee80211_sta_ht_cap *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_sta_ht_cap ht_cap;
- struct ieee80211_ht_bss_info ht_bss_conf;
- u32 changed = 0;
- int i;
- u8 max_tx_streams;
- u8 tx_mcs_set_cap;
- bool enable_ht = true;
-
- sband = local->hw.wiphy->bands[conf->channel->band];
-
- memset(&ht_cap, 0, sizeof(ht_cap));
- memset(&ht_bss_conf, 0, sizeof(struct ieee80211_ht_bss_info));
-
- /* HT is not supported */
- if (!sband->ht_cap.ht_supported)
- enable_ht = false;
-
- /* 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_cap.ht_supported = false;
- return changed;
- }
-
-
- if (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE))
- changed |= BSS_CHANGED_HT;
-
- conf->flags |= IEEE80211_CONF_SUPPORT_HT_MODE;
- ht_cap.ht_supported = true;
+ if (!ht_cap_ie)
+ return;
- ht_cap.cap = req_ht_cap->cap & sband->ht_cap.cap;
- ht_cap.cap &= ~IEEE80211_HT_CAP_SM_PS;
- ht_cap.cap |= sband->ht_cap.cap & IEEE80211_HT_CAP_SM_PS;
+ ht_cap->ht_supported = true;
- 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_cap->cap = ht_cap->cap & sband->ht_cap.cap;
+ ht_cap->cap &= ~IEEE80211_HT_CAP_SM_PS;
+ ht_cap->cap |= sband->ht_cap.cap & IEEE80211_HT_CAP_SM_PS;
- ht_cap.ampdu_factor = req_ht_cap->ampdu_factor;
- ht_cap.ampdu_density = req_ht_cap->ampdu_density;
+ 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;
/* own MCS TX capabilities */
tx_mcs_set_cap = sband->ht_cap.mcs.tx_params;
- /*
- * configure supported 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)
- */
-
/* can we TX with MCS rates? */
if (!(tx_mcs_set_cap & IEEE80211_HT_MCS_TX_DEFINED))
- goto check_changed;
+ return;
/* Counting from 0, therefore +1 */
if (tx_mcs_set_cap & IEEE80211_HT_MCS_TX_RX_DIFF)
@@ -145,29 +69,73 @@ u32 ieee80211_handle_ht(struct ieee80211_local *local,
* - 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] &
- req_ht_cap->mcs.rx_mask[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] =
+ ht_cap->mcs.rx_mask[i] =
sband->ht_cap.mcs.rx_mask[i] &
- req_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] &
- req_ht_cap->mcs.rx_mask[32/8] & 1)
- ht_cap.mcs.rx_mask[32/8] |= 1;
+ 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;
+}
+
+/*
+ * 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)
+{
+ 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;
+
+ 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;
+
+ /*
+ * XXX: This is totally incorrect when there are multiple virtual
+ * interfaces, needs to be fixed later.
+ */
+ ht_changed = local->hw.conf.ht.enabled != enable_ht;
+ local->hw.conf.ht.enabled = enable_ht;
+ if (ht_changed)
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_HT);
+
+ /* disable HT */
+ if (!enable_ht)
+ return 0;
+ ht.secondary_channel_offset =
+ hti->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
+ ht.width_40_ok =
+ !(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);
+ ht.operation_mode = le16_to_cpu(hti->operation_mode);
- check_changed:
/* if bss configuration changed store the new one */
- if (memcmp(&conf->ht_cap, &ht_cap, sizeof(ht_cap)) ||
- memcmp(&conf->ht_bss_conf, &ht_bss_conf, sizeof(ht_bss_conf))) {
+ if (memcmp(&sdata->vif.bss_conf.ht, &ht, sizeof(ht))) {
changed |= BSS_CHANGED_HT;
- memcpy(&conf->ht_cap, &ht_cap, sizeof(ht_cap));
- memcpy(&conf->ht_bss_conf, &ht_bss_conf, sizeof(ht_bss_conf));
+ sdata->vif.bss_conf.ht = ht;
}
return changed;
@@ -900,8 +868,9 @@ 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_cap.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
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 859b5b001f2..6f8756d26a9 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -955,14 +955,12 @@ 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 */
-void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_ht_cap *ht_cap_ie,
+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);
-void ieee80211_ht_info_ie_to_ht_bss_info(
- struct ieee80211_ht_info *ht_add_info_ie,
- struct ieee80211_ht_bss_info *bss_info);
-u32 ieee80211_handle_ht(struct ieee80211_local *local,
- struct ieee80211_sta_ht_cap *req_ht_cap,
- struct ieee80211_ht_bss_info *req_bss_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,
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 9c5f5c37a49..39bc9c69893 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -700,14 +700,15 @@ 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)
@@ -722,19 +723,12 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
sdata->vif.bss_conf.timestamp = bss->timestamp;
sdata->vif.bss_conf.dtim_period = bss->dtim_period;
- changed |= ieee80211_handle_bss_capability(sdata,
+ 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->vif.bss_conf.assoc_ht = 1;
- sdata->vif.bss_conf.ht_cap = &conf->ht_cap;
- sdata->vif.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);
@@ -748,8 +742,8 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
* 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);
netif_tx_start_all_queues(sdata->dev);
netif_carrier_on(sdata->dev);
@@ -813,7 +807,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
- u32 changed = BSS_CHANGED_ASSOC;
+ u32 changed = 0;
rcu_read_lock();
@@ -847,15 +841,9 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
changed |= ieee80211_reset_erp_info(sdata);
- if (sdata->vif.bss_conf.assoc_ht)
- changed |= BSS_CHANGED_HT;
-
- sdata->vif.bss_conf.assoc_ht = 0;
- sdata->vif.bss_conf.ht_cap = NULL;
- sdata->vif.bss_conf.ht_bss_conf = NULL;
-
ieee80211_led_assoc(local, 0);
- sdata->vif.bss_conf.assoc = 0;
+ changed |= BSS_CHANGED_ASSOC;
+ sdata->vif.bss_conf.assoc = false;
ieee80211_sta_send_apinfo(sdata, ifsta);
@@ -867,6 +855,11 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
rcu_read_unlock();
sta_info_destroy(sta);
+
+ local->hw.conf.ht.enabled = false;
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_HT);
+
+ ieee80211_bss_info_change_notify(sdata, changed);
}
static int ieee80211_sta_wep_configured(struct ieee80211_sub_if_data *sdata)
@@ -1184,8 +1177,10 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
struct ieee802_11_elems elems;
struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
u8 *pos;
+ u32 changed = 0;
int i, j;
bool have_higher_than_11mbit = false;
+ u16 ap_ht_cap_flags;
/* AssocResp and ReassocResp have identical structure, so process both
* of them in this function. */
@@ -1333,15 +1328,11 @@ 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_sta_ht_cap(
+ if (elems.ht_cap_elem)
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
elems.ht_cap_elem, &sta->sta.ht_cap);
- ieee80211_ht_info_ie_to_ht_bss_info(
- elems.ht_info_elem, &bss_info);
- ieee80211_handle_ht(local, &sta->sta.ht_cap, &bss_info);
- }
+
+ ap_ht_cap_flags = sta->sta.ht_cap.cap;
rate_control_rate_init(sta);
@@ -1353,11 +1344,16 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
} 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);
}
@@ -1657,7 +1653,6 @@ 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;
@@ -1693,14 +1688,31 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *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 && conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
- struct ieee80211_ht_bss_info bss_info;
- ieee80211_ht_info_ie_to_ht_bss_info(
- elems.ht_info_elem, &bss_info);
- changed |= ieee80211_handle_ht(local, &conf->ht_cap,
- &bss_info);
+ 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();
+
+ 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_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);
}
ieee80211_bss_info_change_notify(sdata, changed);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-10 21:27:22 +0000