diff options
Diffstat (limited to 'net/mac80211/ibss.c')
| -rw-r--r-- | net/mac80211/ibss.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 7d84af70132f..a82f6b4adb58 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -896,6 +896,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, struct cfg80211_ibss_params *params) { struct sk_buff *skb; + u32 changed = 0; skb = dev_alloc_skb(sdata->local->hw.extra_tx_headroom + 36 /* bitrates */ + @@ -951,6 +952,23 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, ieee80211_recalc_idle(sdata->local); mutex_unlock(&sdata->local->mtx); + /* + * 802.11n-2009 9.13.3.1: In an IBSS, the HT Protection field is + * reserved, but an HT STA shall protect HT transmissions as though + * the HT Protection field were set to non-HT mixed mode. + * + * In an IBSS, the RIFS Mode field of the HT Operation element is + * also reserved, but an HT STA shall operate as though this field + * were set to 1. + */ + + sdata->vif.bss_conf.ht_operation_mode |= + IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED + | IEEE80211_HT_PARAM_RIFS_MODE; + + changed |= BSS_CHANGED_HT; + ieee80211_bss_info_change_notify(sdata, changed); + ieee80211_queue_work(&sdata->local->hw, &sdata->work); return 0; |