struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- u8 *pos, *ies, *ht_add_ie;
+ u8 *pos, *ies, *ht_ie;
int i, len, count, rates_len, supp_rates_len;
u16 capab;
struct ieee80211_bss *bss;
/* wmm support is a must to HT */
if (wmm && (ifsta->flags & IEEE80211_STA_WMM_ENABLED) &&
- sband->ht_info.ht_supported &&
- (ht_add_ie = ieee80211_bss_get_ie(bss, WLAN_EID_HT_EXTRA_INFO))) {
- struct ieee80211_ht_addt_info *ht_add_info =
- (struct ieee80211_ht_addt_info *)ht_add_ie;
- u16 cap = sband->ht_info.cap;
+ sband->ht_cap.ht_supported &&
+ (ht_ie = ieee80211_bss_get_ie(bss, WLAN_EID_HT_INFORMATION)) &&
+ ht_ie[1] >= sizeof(struct ieee80211_ht_info)) {
+ struct ieee80211_ht_info *ht_info =
+ (struct ieee80211_ht_info *)(ht_ie + 2);
+ u16 cap = sband->ht_cap.cap;
__le16 tmp;
u32 flags = local->hw.conf.channel->flags;
- switch (ht_add_info->ht_param & IEEE80211_HT_IE_CHA_SEC_OFFSET) {
- case IEEE80211_HT_IE_CHA_SEC_ABOVE:
+ switch (ht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
+ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
if (flags & IEEE80211_CHAN_NO_FAT_ABOVE) {
- cap &= ~IEEE80211_HT_CAP_SUP_WIDTH;
+ cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
cap &= ~IEEE80211_HT_CAP_SGI_40;
}
break;
- case IEEE80211_HT_IE_CHA_SEC_BELOW:
+ case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
if (flags & IEEE80211_CHAN_NO_FAT_BELOW) {
- cap &= ~IEEE80211_HT_CAP_SUP_WIDTH;
+ cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
cap &= ~IEEE80211_HT_CAP_SGI_40;
}
break;
memcpy(pos, &tmp, sizeof(u16));
pos += sizeof(u16);
/* TODO: needs a define here for << 2 */
- *pos++ = sband->ht_info.ampdu_factor |
- (sband->ht_info.ampdu_density << 2);
- memcpy(pos, sband->ht_info.supp_mcs_set, 16);
+ *pos++ = sband->ht_cap.ampdu_factor |
+ (sband->ht_cap.ampdu_density << 2);
+ memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
}
kfree(ifsta->assocreq_ies);
}
}
-static u32 ieee80211_handle_protect_preamb(struct ieee80211_sub_if_data *sdata,
- bool use_protection,
- bool use_short_preamble)
+static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
+ u16 capab, bool erp_valid, u8 erp)
{
- struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
+ struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
struct ieee80211_if_sta *ifsta = &sdata->u.sta;
#endif
u32 changed = 0;
+ bool use_protection;
+ bool use_short_preamble;
+ bool use_short_slot;
+
+ if (erp_valid) {
+ use_protection = (erp & WLAN_ERP_USE_PROTECTION) != 0;
+ use_short_preamble = (erp & WLAN_ERP_BARKER_PREAMBLE) == 0;
+ } else {
+ use_protection = false;
+ use_short_preamble = !!(capab & WLAN_CAPABILITY_SHORT_PREAMBLE);
+ }
+
+ use_short_slot = !!(capab & WLAN_CAPABILITY_SHORT_SLOT_TIME);
if (use_protection != bss_conf->use_cts_prot) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
changed |= BSS_CHANGED_ERP_PREAMBLE;
}
- return changed;
-}
-
-static u32 ieee80211_handle_erp_ie(struct ieee80211_sub_if_data *sdata,
- u8 erp_value)
-{
- bool use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
- bool use_short_preamble = (erp_value & WLAN_ERP_BARKER_PREAMBLE) == 0;
-
- return ieee80211_handle_protect_preamb(sdata,
- use_protection, use_short_preamble);
-}
-
-static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_bss *bss)
-{
- u32 changed = 0;
-
- if (bss->has_erp_value)
- changed |= ieee80211_handle_erp_ie(sdata, bss->erp_value);
- else {
- u16 capab = bss->capability;
- changed |= ieee80211_handle_protect_preamb(sdata, false,
- (capab & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0);
+ if (use_short_slot != bss_conf->use_short_slot) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ if (net_ratelimit()) {
+ printk(KERN_DEBUG "%s: switched to %s slot"
+ " (BSSID=%s)\n",
+ sdata->dev->name,
+ use_short_slot ? "short" : "long",
+ ifsta->bssid);
+ }
+#endif
+ bss_conf->use_short_slot = use_short_slot;
+ changed |= BSS_CHANGED_ERP_SLOT;
}
return changed;
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)
ifsta->ssid, ifsta->ssid_len);
if (bss) {
/* set timing information */
- sdata->bss_conf.beacon_int = bss->beacon_int;
- sdata->bss_conf.timestamp = bss->timestamp;
- sdata->bss_conf.dtim_period = bss->dtim_period;
+ sdata->vif.bss_conf.beacon_int = bss->beacon_int;
+ sdata->vif.bss_conf.timestamp = bss->timestamp;
+ sdata->vif.bss_conf.dtim_period = bss->dtim_period;
- changed |= ieee80211_handle_bss_capability(sdata, bss);
+ bss_info_changed |= ieee80211_handle_bss_capability(sdata,
+ bss->capability, bss->has_erp_value, bss->erp_value);
ieee80211_rx_bss_put(local, bss);
}
- if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
- changed |= BSS_CHANGED_HT;
- sdata->bss_conf.assoc_ht = 1;
- sdata->bss_conf.ht_conf = &conf->ht_conf;
- sdata->bss_conf.ht_bss_conf = &conf->ht_bss_conf;
- }
-
ifsta->flags |= IEEE80211_STA_PREV_BSSID_SET;
memcpy(ifsta->prev_bssid, sdata->u.sta.bssid, ETH_ALEN);
ieee80211_sta_send_associnfo(sdata, ifsta);
ifsta->last_probe = jiffies;
ieee80211_led_assoc(local, 1);
- sdata->bss_conf.assoc = 1;
+ sdata->vif.bss_conf.assoc = 1;
/*
* For now just always ask the driver to update the basic rateset
* when we have associated, we aren't checking whether it actually
* changed or not.
*/
- changed |= BSS_CHANGED_BASIC_RATES;
- ieee80211_bss_info_change_notify(sdata, changed);
+ bss_info_changed |= BSS_CHANGED_BASIC_RATES;
+ ieee80211_bss_info_change_notify(sdata, bss_info_changed);
netif_tx_start_all_queues(sdata->dev);
netif_carrier_on(sdata->dev);
{
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
- u32 changed = BSS_CHANGED_ASSOC;
+ u32 changed = 0;
rcu_read_lock();
ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
changed |= ieee80211_reset_erp_info(sdata);
- if (sdata->bss_conf.assoc_ht)
- changed |= BSS_CHANGED_HT;
-
- sdata->bss_conf.assoc_ht = 0;
- sdata->bss_conf.ht_conf = NULL;
- sdata->bss_conf.ht_bss_conf = NULL;
-
ieee80211_led_assoc(local, 0);
- sdata->bss_conf.assoc = 0;
+ changed |= BSS_CHANGED_ASSOC;
+ sdata->vif.bss_conf.assoc = false;
ieee80211_sta_send_apinfo(sdata, ifsta);
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)
u64 rates, basic_rates;
u16 capab_info, status_code, aid;
struct ieee802_11_elems elems;
- struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
+ struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
u8 *pos;
+ u32 changed = 0;
int i, j;
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. */
}
sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
- sdata->bss_conf.basic_rates = basic_rates;
+ sdata->vif.bss_conf.basic_rates = basic_rates;
/* cf. IEEE 802.11 9.2.12 */
if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
else
sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
- if (elems.ht_cap_elem && elems.ht_info_elem && elems.wmm_param &&
- (ifsta->flags & IEEE80211_STA_WMM_ENABLED)) {
- struct ieee80211_ht_bss_info bss_info;
- ieee80211_ht_cap_ie_to_ht_info(
- elems.ht_cap_elem, &sta->sta.ht_info);
- ieee80211_ht_addt_info_ie_to_ht_bss_info(
- elems.ht_info_elem, &bss_info);
- ieee80211_handle_ht(local, 1, &sta->sta.ht_info, &bss_info);
- }
+ if (elems.ht_cap_elem)
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
+ elems.ht_cap_elem, &sta->sta.ht_cap);
+
+ ap_ht_cap_flags = sta->sta.ht_cap.cap;
rate_control_rate_init(sta);
} 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);
}
size_t baselen;
struct ieee802_11_elems elems;
struct ieee80211_local *local = sdata->local;
- struct ieee80211_conf *conf = &local->hw.conf;
u32 changed = 0;
+ bool erp_valid;
+ u8 erp_value = 0;
/* Process beacon from the current BSS */
baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt;
ieee80211_sta_wmm_params(local, ifsta, elems.wmm_param,
elems.wmm_param_len);
- if (elems.erp_info && elems.erp_info_len >= 1)
- changed |= ieee80211_handle_erp_ie(sdata, elems.erp_info[0]);
- else {
- u16 capab = le16_to_cpu(mgmt->u.beacon.capab_info);
- changed |= ieee80211_handle_protect_preamb(sdata, false,
- (capab & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0);
+
+ if (elems.erp_info && elems.erp_info_len >= 1) {
+ erp_valid = true;
+ erp_value = elems.erp_info[0];
+ } else {
+ erp_valid = false;
}
+ changed |= ieee80211_handle_bss_capability(sdata,
+ le16_to_cpu(mgmt->u.beacon.capab_info),
+ erp_valid, erp_value);
+
- if (elems.ht_cap_elem && elems.ht_info_elem &&
- elems.wmm_param && conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
- struct ieee80211_ht_bss_info 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();
- ieee80211_ht_addt_info_ie_to_ht_bss_info(
- elems.ht_info_elem, &bss_info);
- changed |= ieee80211_handle_ht(local, 1, &conf->ht_conf,
- &bss_info);
+ changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem,
+ ap_ht_cap_flags);
}
ieee80211_bss_info_change_notify(sdata, changed);
projects / linux-2.6-omap-h63xx.git / blobdiff