diff options
| -rw-r--r-- | net/mac80211/ht.c | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index 4515fc33abf..af8cee06e4f 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -90,7 +90,7 @@ bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, const struct ieee80211_ht_cap *ht_cap_ie, struct sta_info *sta) { - struct ieee80211_sta_ht_cap ht_cap; + struct ieee80211_sta_ht_cap ht_cap, own_cap; u8 ampdu_info, tx_mcs_set_cap; int i, max_tx_streams; bool changed; @@ -104,6 +104,18 @@ bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, ht_cap.ht_supported = true; + own_cap = sband->ht_cap; + + /* + * If user has specified capability over-rides, take care + * of that if the station we're setting up is the AP that + * we advertised a restricted capability set to. Override + * our own capabilities and then use those below. + */ + if (sdata->vif.type == NL80211_IFTYPE_STATION && + !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) + ieee80211_apply_htcap_overrides(sdata, &own_cap); + /* * The bits listed in this expression should be * the same for the peer and us, if the station @@ -111,21 +123,20 @@ bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, * we mask them out. */ ht_cap.cap = le16_to_cpu(ht_cap_ie->cap_info) & - (sband->ht_cap.cap | - ~(IEEE80211_HT_CAP_LDPC_CODING | - IEEE80211_HT_CAP_SUP_WIDTH_20_40 | - IEEE80211_HT_CAP_GRN_FLD | - IEEE80211_HT_CAP_SGI_20 | - IEEE80211_HT_CAP_SGI_40 | - IEEE80211_HT_CAP_DSSSCCK40)); + (own_cap.cap | ~(IEEE80211_HT_CAP_LDPC_CODING | + IEEE80211_HT_CAP_SUP_WIDTH_20_40 | + IEEE80211_HT_CAP_GRN_FLD | + IEEE80211_HT_CAP_SGI_20 | + IEEE80211_HT_CAP_SGI_40 | + IEEE80211_HT_CAP_DSSSCCK40)); /* * The STBC bits are asymmetric -- if we don't have * TX then mask out the peer's RX and vice versa. */ - if (!(sband->ht_cap.cap & IEEE80211_HT_CAP_TX_STBC)) + if (!(own_cap.cap & IEEE80211_HT_CAP_TX_STBC)) ht_cap.cap &= ~IEEE80211_HT_CAP_RX_STBC; - if (!(sband->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)) + if (!(own_cap.cap & IEEE80211_HT_CAP_RX_STBC)) ht_cap.cap &= ~IEEE80211_HT_CAP_TX_STBC; ampdu_info = ht_cap_ie->ampdu_params_info; @@ -135,7 +146,7 @@ bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, (ampdu_info & IEEE80211_HT_AMPDU_PARM_DENSITY) >> 2; /* own MCS TX capabilities */ - tx_mcs_set_cap = sband->ht_cap.mcs.tx_params; + tx_mcs_set_cap = own_cap.mcs.tx_params; /* Copy peer MCS TX capabilities, the driver might need them. */ ht_cap.mcs.tx_params = ht_cap_ie->mcs.tx_params; @@ -161,29 +172,20 @@ bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, */ for (i = 0; i < max_tx_streams; i++) ht_cap.mcs.rx_mask[i] = - sband->ht_cap.mcs.rx_mask[i] & ht_cap_ie->mcs.rx_mask[i]; + own_cap.mcs.rx_mask[i] & ht_cap_ie->mcs.rx_mask[i]; if (tx_mcs_set_cap & IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION) for (i = IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE; i < IEEE80211_HT_MCS_MASK_LEN; i++) ht_cap.mcs.rx_mask[i] = - sband->ht_cap.mcs.rx_mask[i] & + own_cap.mcs.rx_mask[i] & ht_cap_ie->mcs.rx_mask[i]; /* handle MCS rate 32 too */ - if (sband->ht_cap.mcs.rx_mask[32/8] & ht_cap_ie->mcs.rx_mask[32/8] & 1) + if (own_cap.mcs.rx_mask[32/8] & ht_cap_ie->mcs.rx_mask[32/8] & 1) ht_cap.mcs.rx_mask[32/8] |= 1; apply: - /* - * If user has specified capability over-rides, take care - * of that if the station we're setting up is the AP that - * we advertised a restricted capability set to. - */ - if (sdata->vif.type == NL80211_IFTYPE_STATION && - !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) - ieee80211_apply_htcap_overrides(sdata, &ht_cap); - changed = memcmp(&sta->sta.ht_cap, &ht_cap, sizeof(ht_cap)); memcpy(&sta->sta.ht_cap, &ht_cap, sizeof(ht_cap)); |