int ath_rx_tasklet(struct ath_softc *sc, int flush);
int ath_rx_input(struct ath_softc *sc,
struct ath_node *node,
- int is_ampdu,
struct sk_buff *skb,
struct ath_recv_status *rx_status,
enum ATH_RX_TYPE *status);
u8 an_smmode; /* SM Power save mode */
u8 an_flags;
u8 an_addr[ETH_ALEN];
+
+ u16 maxampdu;
+ u8 mpdudensity;
};
void ath_tx_resume_tid(struct ath_softc *sc,
struct ath_ht_info {
enum ath9k_ht_macmode tx_chan_width;
- u16 maxampdu;
- u8 mpdudensity;
u8 ext_chan_offset;
};
{
struct ath_ht_info *ht_info = &sc->sc_ht_info;
- if (bss_conf->assoc_ht) {
- ht_info->ext_chan_offset =
- bss_conf->ht_bss_conf->bss_cap &
- IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
-
- if (!(bss_conf->ht_cap->cap &
- IEEE80211_HT_CAP_40MHZ_INTOLERANT) &&
- (bss_conf->ht_bss_conf->bss_cap &
- IEEE80211_HT_PARAM_CHAN_WIDTH_ANY))
+ if (sc->hw->conf.ht.enabled) {
+ ht_info->ext_chan_offset = bss_conf->ht.secondary_channel_offset;
+
+ if (bss_conf->ht.width_40_ok)
ht_info->tx_chan_width = ATH9K_HT_MACMODE_2040;
else
ht_info->tx_chan_width = ATH9K_HT_MACMODE_20;
ath9k_hw_set11nmac2040(sc->sc_ah, ht_info->tx_chan_width);
- ht_info->maxampdu = 1 << (IEEE80211_HTCAP_MAXRXAMPDU_FACTOR +
- bss_conf->ht_cap->ampdu_factor);
- ht_info->mpdudensity =
- parse_mpdudensity(bss_conf->ht_cap->ampdu_density);
-
}
}
sc->sc_halstats.ns_avgtxrate = ATH_RATE_DUMMY_MARKER;
/* Update chainmask */
- ath_update_chainmask(sc, bss_conf->assoc_ht);
+ ath_update_chainmask(sc, hw->conf.ht.enabled);
DPRINTF(sc, ATH_DBG_CONFIG,
"%s: bssid %pM aid 0x%x\n",
return;
}
- if (hw->conf.ht_cap.ht_supported)
+ if (hw->conf.ht.enabled)
sc->sc_ah->ah_channels[pos].chanmode =
ath_get_extchanmode(sc, curchan);
else
if (an) {
ath_rx_input(sc, an,
- hw->conf.ht_cap.ht_supported,
skb, status, &st);
}
if (!an || (st != ATH_RX_CONSUMED))
__func__,
curchan->center_freq);
+ /* Update chainmask */
+ ath_update_chainmask(sc, conf->ht.enabled);
+
pos = ath_get_channel(sc, curchan);
if (pos == -1) {
DPRINTF(sc, ATH_DBG_FATAL, "%s: Invalid channel\n", __func__);
(curchan->band == IEEE80211_BAND_2GHZ) ?
CHANNEL_G : CHANNEL_A;
- if (sc->sc_curaid && hw->conf.ht_cap.ht_supported)
+ if (sc->sc_curaid && hw->conf.ht.enabled)
sc->sc_ah->ah_channels[pos].chanmode =
ath_get_extchanmode(sc, curchan);
} else {
ath_node_get(sc, sta->addr);
}
+
+ /* XXX: Is this right? Can the capabilities change? */
+ an = ath_node_find(sc, sta->addr);
+ an->maxampdu = 1 << (IEEE80211_HTCAP_MAXRXAMPDU_FACTOR +
+ sta->ht_cap.ampdu_factor);
+ an->mpdudensity =
+ parse_mpdudensity(sta->ht_cap.ampdu_density);
+
spin_unlock_irqrestore(&sc->node_lock, flags);
break;
case STA_NOTIFY_REMOVE:
}
if (changed & BSS_CHANGED_HT) {
- DPRINTF(sc, ATH_DBG_CONFIG, "%s: BSS Changed HT %d\n",
- __func__,
- bss_conf->assoc_ht);
+ DPRINTF(sc, ATH_DBG_CONFIG, "%s: BSS Changed HT\n",
+ __func__);
ath9k_ht_conf(sc, bss_conf);
}
struct ath_softc *sc = hw->priv;
u32 capflag = 0;
- if (hw->conf.ht_cap.ht_supported) {
+ if (hw->conf.ht.enabled) {
capflag |= ATH_RC_HT_FLAG | ATH_RC_DS_FLAG;
if (sc->sc_ht_info.tx_chan_width == ATH9K_HT_MACMODE_2040)
capflag |= ATH_RC_CW40_FLAG;
/* Check if aggregation has to be enabled for this tid */
- if (hw->conf.ht_cap.ht_supported) {
+ if (hw->conf.ht.enabled) {
if (ieee80211_is_data_qos(fc)) {
qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & 0xf;
DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__);
ath_setup_rates(sc, sband, sta, ath_rc_priv);
- if (sc->hw->conf.flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
+ if (sc->hw->conf.ht.enabled) {
for (i = 0; i < 77; i++) {
- if (sc->hw->conf.ht_cap.mcs.rx_mask[i/8] & (1<<(i%8)))
+ if (sta->ht_cap.mcs.rx_mask[i/8] & (1<<(i%8)))
ath_rc_priv->neg_ht_rates.rs_rates[j++] = i;
if (j == ATH_RATE_MAX)
break;
int ath_rx_input(struct ath_softc *sc,
struct ath_node *an,
- int is_ampdu,
struct sk_buff *skb,
struct ath_recv_status *rx_status,
enum ATH_RX_TYPE *status)
{
- if (is_ampdu && (sc->sc_flags & SC_OP_RXAGGR)) {
+ if (sc->sc_flags & SC_OP_RXAGGR) {
*status = ATH_RX_CONSUMED;
return ath_ampdu_input(sc, an, skb, rx_status);
} else {
if (ieee80211_is_data(fc) && !txctl->use_minrate) {
/* Enable HT only for DATA frames and not for EAPOL */
- txctl->ht = (hw->conf.ht_cap.ht_supported &&
+ /* XXX why AMPDU only?? */
+ txctl->ht = (hw->conf.ht.enabled &&
(tx_info->flags & IEEE80211_TX_CTL_AMPDU));
if (is_multicast_ether_addr(hdr->addr1)) {
*/
static u32 ath_lookup_rate(struct ath_softc *sc,
- struct ath_buf *bf)
+ struct ath_buf *bf,
+ struct ath_atx_tid *tid)
{
const struct ath9k_rate_table *rt = sc->sc_currates;
struct sk_buff *skb;
* The IE, however can hold upto 65536, which shows up here
* as zero. Ignore 65536 since we are constrained by hw.
*/
- maxampdu = sc->sc_ht_info.maxampdu;
+ maxampdu = tid->an->maxampdu;
if (maxampdu)
aggr_limit = min(aggr_limit, maxampdu);
*/
static int ath_compute_num_delims(struct ath_softc *sc,
+ struct ath_atx_tid *tid,
struct ath_buf *bf,
u16 frmlen)
{
* required minimum length for subframe. Take into account
* whether high rate is 20 or 40Mhz and half or full GI.
*/
- mpdudensity = sc->sc_ht_info.mpdudensity;
+ mpdudensity = tid->an->mpdudensity;
/*
* If there is no mpdu density restriction, no further calculation
}
if (!rl) {
- aggr_limit = ath_lookup_rate(sc, bf);
+ aggr_limit = ath_lookup_rate(sc, bf, tid);
rl = 1;
/*
* Is rate dual stream
* Get the delimiters needed to meet the MPDU
* density for this node.
*/
- ndelim = ath_compute_num_delims(sc, bf_first, bf->bf_frmlen);
+ ndelim = ath_compute_num_delims(sc, tid, bf_first, bf->bf_frmlen);
bpad = PADBYTES(al_delta) + (ndelim << 2);
struct ath_atx_ac *ac;
int tidno, acno;
- sc->sc_ht_info.maxampdu = ATH_AMPDU_LIMIT_DEFAULT;
+ an->maxampdu = ATH_AMPDU_LIMIT_DEFAULT;
/*
* Init per tid tx state
s32 rate;
s8 is_green = lq_sta->is_green;
- if (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) ||
- !sta->ht_cap.ht_supported)
+ if (!conf->ht.enabled || !sta->ht_cap.ht_supported)
return -1;
if (((sta->ht_cap.cap & IEEE80211_HT_CAP_SM_PS) >> 2)
u8 is_green = lq_sta->is_green;
s32 rate;
- if (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) ||
- !sta->ht_cap.ht_supported)
+ if (!conf->ht.enabled || !sta->ht_cap.ht_supported)
return -1;
IWL_DEBUG_RATE("LQ: try to switch to SISO\n");
* stay with best antenna legacy modulation for a while
* before next round of mode comparisons. */
tbl1 = &(lq_sta->lq_info[lq_sta->active_tbl]);
- if (is_legacy(tbl1->lq_type) &&
- (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE)) &&
- (lq_sta->action_counter >= 1)) {
+ if (is_legacy(tbl1->lq_type) && !conf->ht.enabled &&
+ lq_sta->action_counter >= 1) {
lq_sta->action_counter = 0;
IWL_DEBUG_RATE("LQ: STAY in legacy table\n");
rs_set_stay_in_table(priv, 1, lq_sta);
* active_siso_rate mask includes 9 MBits (bit 5), and CCK (bits 0-3),
* supp_rates[] does not; shift to convert format, force 9 MBits off.
*/
- lq_sta->active_siso_rate = conf->ht_cap.mcs.rx_mask[0] << 1;
- lq_sta->active_siso_rate |= conf->ht_cap.mcs.rx_mask[0] & 0x1;
+ lq_sta->active_siso_rate = sta->ht_cap.mcs.rx_mask[0] << 1;
+ lq_sta->active_siso_rate |= sta->ht_cap.mcs.rx_mask[0] & 0x1;
lq_sta->active_siso_rate &= ~((u16)0x2);
lq_sta->active_siso_rate <<= IWL_FIRST_OFDM_RATE;
/* Same here */
- lq_sta->active_mimo2_rate = conf->ht_cap.mcs.rx_mask[1] << 1;
- lq_sta->active_mimo2_rate |= conf->ht_cap.mcs.rx_mask[1] & 0x1;
+ lq_sta->active_mimo2_rate = sta->ht_cap.mcs.rx_mask[1] << 1;
+ lq_sta->active_mimo2_rate |= sta->ht_cap.mcs.rx_mask[1] & 0x1;
lq_sta->active_mimo2_rate &= ~((u16)0x2);
lq_sta->active_mimo2_rate <<= IWL_FIRST_OFDM_RATE;
- lq_sta->active_mimo3_rate = conf->ht_cap.mcs.rx_mask[2] << 1;
- lq_sta->active_mimo3_rate |= conf->ht_cap.mcs.rx_mask[2] & 0x1;
+ lq_sta->active_mimo3_rate = sta->ht_cap.mcs.rx_mask[2] << 1;
+ lq_sta->active_mimo3_rate |= sta->ht_cap.mcs.rx_mask[2] & 0x1;
lq_sta->active_mimo3_rate &= ~((u16)0x2);
lq_sta->active_mimo3_rate <<= IWL_FIRST_OFDM_RATE;
static void iwl4965_ht_conf(struct iwl_priv *priv,
struct ieee80211_bss_conf *bss_conf)
{
- struct ieee80211_sta_ht_cap *ht_conf = bss_conf->ht_cap;
- struct ieee80211_ht_bss_info *ht_bss_conf = bss_conf->ht_bss_conf;
+ struct ieee80211_sta_ht_cap *ht_conf;
struct iwl_ht_info *iwl_conf = &priv->current_ht_config;
+ struct ieee80211_sta *sta;
IWL_DEBUG_MAC80211("enter: \n");
- iwl_conf->is_ht = bss_conf->assoc_ht;
-
if (!iwl_conf->is_ht)
return;
+
+ /*
+ * It is totally wrong to base global information on something
+ * that is valid only when associated, alas, this driver works
+ * that way and I don't know how to fix it.
+ */
+
+ rcu_read_lock();
+ sta = ieee80211_find_sta(priv->hw, priv->bssid);
+ if (!sta) {
+ rcu_read_unlock();
+ return;
+ }
+ ht_conf = &sta->ht_cap;
+
if (ht_conf->cap & IEEE80211_HT_CAP_SGI_20)
iwl_conf->sgf |= HT_SHORT_GI_20MHZ;
if (ht_conf->cap & IEEE80211_HT_CAP_SGI_40)
iwl_conf->supported_chan_width =
!!(ht_conf->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
- iwl_conf->extension_chan_offset =
- ht_bss_conf->bss_cap & IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
+
+ iwl_conf->extension_chan_offset = bss_conf->ht.secondary_channel_offset;
/* If no above or below channel supplied disable FAT channel */
if (iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_ABOVE &&
iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_BELOW) {
memcpy(&iwl_conf->mcs, &ht_conf->mcs, 16);
- iwl_conf->control_channel = ht_bss_conf->primary_channel;
- iwl_conf->tx_chan_width =
- !!(ht_bss_conf->bss_cap & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY);
+ iwl_conf->tx_chan_width = bss_conf->ht.width_40_ok;
iwl_conf->ht_protection =
- ht_bss_conf->bss_op_mode & IEEE80211_HT_OP_MODE_PROTECTION;
+ bss_conf->ht.operation_mode & IEEE80211_HT_OP_MODE_PROTECTION;
iwl_conf->non_GF_STA_present =
- !!(ht_bss_conf->bss_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
+ !!(bss_conf->ht.operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
+
+ rcu_read_unlock();
- IWL_DEBUG_MAC80211("control channel %d\n", iwl_conf->control_channel);
IWL_DEBUG_MAC80211("leave\n");
}
mutex_lock(&priv->mutex);
IWL_DEBUG_MAC80211("enter to channel %d\n", conf->channel->hw_value);
+ priv->current_ht_config.is_ht = conf->ht.enabled;
+
if (conf->radio_enabled && iwl_radio_kill_sw_enable_radio(priv)) {
IWL_DEBUG_MAC80211("leave - RF-KILL - waiting for uCode\n");
goto out;
}
if (changes & BSS_CHANGED_HT) {
- IWL_DEBUG_MAC80211("HT %d\n", bss_conf->assoc_ht);
iwl4965_ht_conf(priv, bss_conf);
iwl_set_rxon_chain(priv);
}
}
return iwl_is_channel_extension(priv, priv->band,
- iwl_ht_conf->control_channel,
- iwl_ht_conf->extension_chan_offset);
+ le16_to_cpu(priv->staging_rxon.channel),
+ iwl_ht_conf->extension_chan_offset);
}
EXPORT_SYMBOL(iwl_is_fat_tx_allowed);
rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK |
RXON_FLG_CHANNEL_MODE_PURE_40_MSK);
- if (le16_to_cpu(rxon->channel) != ht_info->control_channel) {
- IWL_DEBUG_ASSOC("control diff than current %d %d\n",
- le16_to_cpu(rxon->channel),
- ht_info->control_channel);
- return;
- }
-
/* Note: control channel is opposite of extension channel */
switch (ht_info->extension_chan_offset) {
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
IWL_DEBUG_ASSOC("supported HT rate 0x%X 0x%X 0x%X "
"rxon flags 0x%X operation mode :0x%X "
- "extension channel offset 0x%x "
- "control chan %d\n",
+ "extension channel offset 0x%x\n",
ht_info->mcs.rx_mask[0],
ht_info->mcs.rx_mask[1],
ht_info->mcs.rx_mask[2],
le32_to_cpu(rxon->flags), ht_info->ht_protection,
- ht_info->extension_chan_offset,
- ht_info->control_channel);
+ ht_info->extension_chan_offset);
return;
}
EXPORT_SYMBOL(iwl_set_rxon_ht);
u8 mpdu_density;
struct ieee80211_mcs_info mcs;
/* BSS related data */
- u8 control_channel;
u8 extension_chan_offset;
u8 tx_chan_width;
u8 ht_protection;
*/
int iwl_rxon_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap)
{
+ struct ieee80211_sta *sta;
+ struct ieee80211_sta_ht_cap ht_config;
+ struct ieee80211_sta_ht_cap *cur_ht_config = NULL;
u8 sta_id;
/* Add station to device's station table */
- struct ieee80211_conf *conf = &priv->hw->conf;
- struct ieee80211_sta_ht_cap *cur_ht_config = &conf->ht_cap;
-
- if ((is_ap) &&
- (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) &&
- (priv->iw_mode == NL80211_IFTYPE_STATION))
- sta_id = iwl_add_station_flags(priv, addr, is_ap,
- 0, cur_ht_config);
- else
- sta_id = iwl_add_station_flags(priv, addr, is_ap,
- 0, NULL);
+
+ /*
+ * XXX: This check is definitely not correct, if we're an AP
+ * it'll always be false which is not what we want, but
+ * it doesn't look like iwlagn is prepared to be an HT
+ * AP anyway.
+ */
+ if (priv->current_ht_config.is_ht) {
+ rcu_read_lock();
+ sta = ieee80211_find_sta(priv->hw, addr);
+ if (sta) {
+ memcpy(&ht_config, &sta->ht_cap, sizeof(ht_config));
+ cur_ht_config = &ht_config;
+ }
+ rcu_read_unlock();
+ }
+
+ sta_id = iwl_add_station_flags(priv, addr, is_ap,
+ 0, cur_ht_config);
/* Set up default rate scaling table in device's station table */
iwl_sta_init_lq(priv, addr, is_ap);
*
* Copyright 2002-2005, Devicescape Software, Inc.
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
- * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2007-2008 Johannes Berg <johannes@sipsolutions.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
IEEE80211_NOTIFY_RE_ASSOC,
};
-/**
- * struct ieee80211_ht_bss_info - describing BSS's HT characteristics
- *
- * This structure describes most essential parameters needed
- * to describe 802.11n HT characteristics in a BSS.
- *
- * @primary_channel: channel number of primery channel
- * @bss_cap: 802.11n's general BSS capabilities (e.g. channel width)
- * @bss_op_mode: 802.11n's BSS operation modes (e.g. HT protection)
- */
-struct ieee80211_ht_bss_info {
- u8 primary_channel;
- u8 bss_cap; /* use IEEE80211_HT_IE_CHA_ */
- u8 bss_op_mode; /* use IEEE80211_HT_IE_ */
-};
-
/**
* enum ieee80211_max_queues - maximum number of queues
*
BSS_CHANGED_BASIC_RATES = 1<<5,
};
+/**
+ * struct ieee80211_bss_ht_conf - BSS's changing HT configuration
+ * @secondary_channel_offset: secondary channel offset, uses
+ * %IEEE80211_HT_PARAM_CHA_SEC_ values
+ * @width_40_ok: indicates that 40 MHz bandwidth may be used for TX
+ * @operation_mode: HT operation mode (like in &struct ieee80211_ht_info)
+ */
+struct ieee80211_bss_ht_conf {
+ u8 secondary_channel_offset;
+ bool width_40_ok;
+ u16 operation_mode;
+};
+
/**
* struct ieee80211_bss_conf - holds the BSS's changing parameters
*
* @timestamp: beacon timestamp
* @beacon_int: beacon interval
* @assoc_capability: capabilities taken from assoc resp
- * @assoc_ht: association in HT mode
- * @ht_cap: ht capabilities
- * @ht_bss_conf: ht extended capabilities
+ * @ht: BSS's HT configuration
* @basic_rates: bitmap of basic rates, each bit stands for an
* index into the rate table configured by the driver in
* the current band.
u16 assoc_capability;
u64 timestamp;
u64 basic_rates;
- /* ht related data */
- bool assoc_ht;
- struct ieee80211_sta_ht_cap *ht_cap;
- struct ieee80211_ht_bss_info *ht_bss_conf;
+ struct ieee80211_bss_ht_conf ht;
};
/**
* Flags to define PHY configuration options
*
* @IEEE80211_CONF_RADIOTAP: add radiotap header at receive time (if supported)
- * @IEEE80211_CONF_SUPPORT_HT_MODE: use 802.11n HT capabilities (if supported)
* @IEEE80211_CONF_PS: Enable 802.11 power save mode
*/
enum ieee80211_conf_flags {
IEEE80211_CONF_RADIOTAP = (1<<0),
- IEEE80211_CONF_SUPPORT_HT_MODE = (1<<1),
- IEEE80211_CONF_PS = (1<<2),
+ IEEE80211_CONF_PS = (1<<1),
};
/* XXX: remove all this once drivers stop trying to use it */
}
#define IEEE80211_CONF_SHORT_SLOT_TIME (__IEEE80211_CONF_SHORT_SLOT_TIME())
+struct ieee80211_ht_conf {
+ bool enabled;
+};
+
/**
* enum ieee80211_conf_changed - denotes which configuration changed
*
* @IEEE80211_CONF_CHANGE_POWER: the TX power changed
* @IEEE80211_CONF_CHANGE_CHANNEL: the channel changed
* @IEEE80211_CONF_CHANGE_RETRY_LIMITS: retry limits changed
+ * @IEEE80211_CONF_CHANGE_HT: HT configuration changed
*/
enum ieee80211_conf_changed {
IEEE80211_CONF_CHANGE_RADIO_ENABLED = BIT(0),
IEEE80211_CONF_CHANGE_POWER = BIT(5),
IEEE80211_CONF_CHANGE_CHANNEL = BIT(6),
IEEE80211_CONF_CHANGE_RETRY_LIMITS = BIT(7),
+ IEEE80211_CONF_CHANGE_HT = BIT(8),
};
/**
* @listen_interval: listen interval in units of beacon interval
* @flags: configuration flags defined above
* @power_level: requested transmit power (in dBm)
- * @ht_cap: describes current self configuration of 802.11n HT capabilities
- * @ht_bss_conf: describes current BSS configuration of 802.11n HT parameters
* @channel: the channel to tune to
+ * @ht: the HT configuration for the device
* @long_frame_max_tx_count: Maximum number of transmissions for a "long" frame
* (a frame not RTS protected), called "dot11LongRetryLimit" in 802.11,
* but actually means the number of transmissions not the number of retries
u8 long_frame_max_tx_count, short_frame_max_tx_count;
struct ieee80211_channel *channel;
-
- struct ieee80211_sta_ht_cap ht_cap;
- struct ieee80211_ht_bss_info ht_bss_conf;
+ struct ieee80211_ht_conf ht;
};
/**
* @addr: MAC address
* @aid: AID we assigned to the station if we're an AP
* @supp_rates: Bitmap of supported rates (per band)
- * @ht_cap: HT capabilities of this STA
+ * @ht_cap: HT capabilities of this STA; restricted to our own TX capabilities
* @drv_priv: data area for driver use, will always be aligned to
* sizeof(void *), size is determined in hw information.
*/
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
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;
}
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) {
#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)
* - 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;
/* 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
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,
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)
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);
* 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->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);
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)
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. */
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);
} 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;
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);
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / commitdiff