diff options
| author | John W. Linville <linville@tuxdriver.com> | 2009-12-28 15:09:11 -0500 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-12-28 15:09:11 -0500 |
| commit | ea1e4b842049fcc4741096538114871a74859314 (patch) | |
| tree | c2336ab480ac0fd62e0dc41b391d99c97158dc9c /net/mac80211/ht.c | |
| parent | b6ce5c33001b1dc83e6a1a6f30c5dccccea651b6 (diff) | |
| parent | 92c6f8d849178582fc527aaf1e51dd37a74767d3 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Diffstat (limited to 'net/mac80211/ht.c')
| -rw-r--r-- | net/mac80211/ht.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index 63b8f86b7f16..bb677a73b7c9 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -34,9 +34,28 @@ void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, ht_cap->ht_supported = true; - ht_cap->cap = le16_to_cpu(ht_cap_ie->cap_info) & sband->ht_cap.cap; - ht_cap->cap &= ~IEEE80211_HT_CAP_SM_PS; - ht_cap->cap |= sband->ht_cap.cap & IEEE80211_HT_CAP_SM_PS; + /* + * The bits listed in this expression should be + * the same for the peer and us, if the station + * advertises more then we can't use those thus + * 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)); + /* + * 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)) + ht_cap->cap &= ~IEEE80211_HT_CAP_RX_STBC; + if (!(sband->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)) + ht_cap->cap &= ~IEEE80211_HT_CAP_TX_STBC; ampdu_info = ht_cap_ie->ampdu_params_info; ht_cap->ampdu_factor = |