diff options
| -rw-r--r-- | drivers/net/wireless/ath9k/core.h | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/main.c | 41 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/rc.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/recv.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/xmit.c | 17 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 23 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 39 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 17 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-dev.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-sta.c | 33 | ||||
| -rw-r--r-- | include/net/mac80211.h | 59 | ||||
| -rw-r--r-- | net/mac80211/cfg.c | 6 | ||||
| -rw-r--r-- | net/mac80211/ht.c | 181 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 12 | ||||
| -rw-r--r-- | net/mac80211/mlme.c | 88 |
15 files changed, 260 insertions, 274 deletions
diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index cb3e61e57c4..59d835b72cd 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -380,7 +380,6 @@ void ath_rx_cleanup(struct ath_softc *sc); 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); @@ -650,6 +649,9 @@ struct ath_node { 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, @@ -919,8 +921,6 @@ enum RATE_TYPE { struct ath_ht_info { enum ath9k_ht_macmode tx_chan_width; - u16 maxampdu; - u8 mpdudensity; u8 ext_chan_offset; }; diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c index 41cd114c438..7555c341338 100644 --- a/drivers/net/wireless/ath9k/main.c +++ b/drivers/net/wireless/ath9k/main.c @@ -330,25 +330,15 @@ static void ath9k_ht_conf(struct ath_softc *sc, { 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); - } } @@ -390,7 +380,7 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc, 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", @@ -408,7 +398,7 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc, 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 @@ -531,7 +521,6 @@ int _ath_rx_indicate(struct ath_softc *sc, if (an) { ath_rx_input(sc, an, - hw->conf.ht_cap.ht_supported, skb, status, &st); } if (!an || (st != ATH_RX_CONSUMED)) @@ -1241,6 +1230,9 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) __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__); @@ -1251,7 +1243,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) (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); @@ -1434,6 +1426,14 @@ static void ath9k_sta_notify(struct ieee80211_hw *hw, } 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: @@ -1552,9 +1552,8 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw, } 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); } diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c index ee2dbce42b4..9b252603096 100644 --- a/drivers/net/wireless/ath9k/rc.c +++ b/drivers/net/wireless/ath9k/rc.c @@ -1838,7 +1838,7 @@ void ath_rc_node_update(struct ieee80211_hw *hw, struct ath_rate_node *rc_priv) 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; @@ -1979,7 +1979,7 @@ static void ath_get_rate(void *priv, struct ieee80211_supported_band *sband, /* 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; @@ -2026,9 +2026,9 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband, 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; diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c index 010fcdfec3f..828322840a8 100644 --- a/drivers/net/wireless/ath9k/recv.c +++ b/drivers/net/wireless/ath9k/recv.c @@ -720,12 +720,11 @@ void ath_flushrecv(struct ath_softc *sc) 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 { diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c index 3770fbe84fc..ba818cc2fb5 100644 --- a/drivers/net/wireless/ath9k/xmit.c +++ b/drivers/net/wireless/ath9k/xmit.c @@ -300,7 +300,8 @@ static int ath_tx_prepare(struct ath_softc *sc, 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)) { @@ -1450,7 +1451,8 @@ static int ath_tx_send_ampdu(struct ath_softc *sc, */ 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; @@ -1504,7 +1506,7 @@ static u32 ath_lookup_rate(struct ath_softc *sc, * 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); @@ -1518,6 +1520,7 @@ static u32 ath_lookup_rate(struct ath_softc *sc, */ static int ath_compute_num_delims(struct ath_softc *sc, + struct ath_atx_tid *tid, struct ath_buf *bf, u16 frmlen) { @@ -1545,7 +1548,7 @@ static int ath_compute_num_delims(struct ath_softc *sc, * 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 @@ -1619,7 +1622,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_aggr(struct ath_softc *sc, } if (!rl) { - aggr_limit = ath_lookup_rate(sc, bf); + aggr_limit = ath_lookup_rate(sc, bf, tid); rl = 1; /* * Is rate dual stream @@ -1657,7 +1660,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_aggr(struct ath_softc *sc, * 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); @@ -2629,7 +2632,7 @@ void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an) 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 diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index cd1bff59049..e10e0ca09ce 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -1133,8 +1133,7 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv, 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) @@ -1201,8 +1200,7 @@ static int rs_switch_to_siso(struct iwl_priv *priv, 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"); @@ -2001,9 +1999,8 @@ lq_update: * 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); @@ -2238,19 +2235,19 @@ static void rs_rate_init(void *priv_r, struct ieee80211_supported_band *sband, * 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; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 79a24410dd0..7c3eb3d8f7e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -552,17 +552,30 @@ static int iwl4965_send_beacon_cmd(struct iwl_priv *priv) 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) @@ -574,8 +587,8 @@ static void iwl4965_ht_conf(struct iwl_priv *priv, 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) { @@ -587,15 +600,14 @@ static void iwl4965_ht_conf(struct iwl_priv *priv, 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"); } @@ -2746,6 +2758,8 @@ static int iwl4965_mac_config(struct ieee80211_hw *hw, u32 changed) 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; @@ -3104,7 +3118,6 @@ static void iwl4965_bss_info_changed(struct ieee80211_hw *hw, } 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); } diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 4678da447ff..10f5a0a233f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -637,8 +637,8 @@ u8 iwl_is_fat_tx_allowed(struct iwl_priv *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); @@ -663,13 +663,6 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info) 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: @@ -692,14 +685,12 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info) 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); diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 572250ee9d5..2e951493397 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -413,7 +413,6 @@ struct iwl_ht_info { 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; diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index b9b8554433a..218483d096c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -890,20 +890,31 @@ static void iwl_sta_init_lq(struct iwl_priv *priv, const u8 *addr, int is_ap) */ 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); diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 94ff3eface4..9801afb6254 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -3,7 +3,7 @@ * * 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 @@ -82,22 +82,6 @@ enum ieee80211_notification_types { }; /** - * 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 * * @IEEE80211_MAX_QUEUES: Maximum number of regular device queues. @@ -172,6 +156,19 @@ enum ieee80211_bss_change { }; /** + * 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 * * This structure keeps information about a BSS (and an association @@ -190,9 +187,7 @@ enum ieee80211_bss_change { * @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. @@ -210,10 +205,7 @@ struct ieee80211_bss_conf { 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; }; /** @@ -447,13 +439,11 @@ struct ieee80211_rx_status { * 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 */ @@ -463,6 +453,10 @@ static inline int __deprecated __IEEE80211_CONF_SHORT_SLOT_TIME(void) } #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 * @@ -474,6 +468,7 @@ static inline int __deprecated __IEEE80211_CONF_SHORT_SLOT_TIME(void) * @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), @@ -484,6 +479,7 @@ enum ieee80211_conf_changed { 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), }; /** @@ -496,9 +492,8 @@ enum ieee80211_conf_changed { * @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 @@ -517,9 +512,7 @@ struct ieee80211_conf { 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; }; /** @@ -715,7 +708,7 @@ enum set_key_cmd { * @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. */ 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); |