diff options
Diffstat (limited to 'net/mac80211/mlme.c')
| -rw-r--r-- | net/mac80211/mlme.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 4add50063161..f3f338541b01 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -543,7 +543,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) if (!(ifmgd->flags & IEEE80211_STA_DISABLE_11N)) ieee80211_add_ht_ie(sdata, skb, assoc_data->ap_ht_param, - sband, chan, ifmgd->ap_smps); + sband, chan, sdata->smps_mode); if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)) ieee80211_add_vht_ie(sdata, skb, sband); @@ -1392,7 +1392,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, ieee80211_recalc_ps(local, -1); mutex_unlock(&local->iflist_mtx); - ieee80211_recalc_smps(local); + ieee80211_recalc_smps(sdata); ieee80211_recalc_ps_vif(sdata); netif_tx_start_all_queues(sdata->dev); @@ -3157,6 +3157,10 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, } if (ht_oper) { + const u8 *ht_cap_ie; + const struct ieee80211_ht_cap *ht_cap; + u8 chains = 1; + channel_type = NL80211_CHAN_HT20; if (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { @@ -3170,8 +3174,22 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, break; } } + + ht_cap_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, + cbss->information_elements, + cbss->len_information_elements); + if (ht_cap_ie && ht_cap_ie[1] >= sizeof(*ht_cap)) { + ht_cap = (void *)(ht_cap_ie + 2); + chains = ieee80211_mcs_to_chains(&ht_cap->mcs); + } + sdata->needed_rx_chains = min(chains, local->rx_chains); + } else { + sdata->needed_rx_chains = 1; } + /* will change later if needed */ + sdata->smps_mode = IEEE80211_SMPS_OFF; + ieee80211_vif_release_channel(sdata); return ieee80211_vif_use_channel(sdata, cbss->channel, channel_type, IEEE80211_CHANCTX_SHARED); @@ -3485,11 +3503,11 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, if (ifmgd->req_smps == IEEE80211_SMPS_AUTOMATIC) { if (ifmgd->powersave) - ifmgd->ap_smps = IEEE80211_SMPS_DYNAMIC; + sdata->smps_mode = IEEE80211_SMPS_DYNAMIC; else - ifmgd->ap_smps = IEEE80211_SMPS_OFF; + sdata->smps_mode = IEEE80211_SMPS_OFF; } else - ifmgd->ap_smps = ifmgd->req_smps; + sdata->smps_mode = ifmgd->req_smps; assoc_data->capability = req->bss->capability; assoc_data->wmm = bss->wmm_used && |