diff options
| author |   Jouni Malinen <jouni@qca.qualcomm.com> | 2014-04-15 19:13:56 +0300 |
|---|---|---|
| committer |   Johannes Berg <johannes.berg@intel.com> | 2014-04-22 17:23:19 +0200 |
| commit | 9a07bf507dfc5402e63d96596341f2a15e4142c7 (patch) | |
| tree | 362283a76debc6f0be9bab2b649af1fae6ec2c39 /net/mac80211/ht.c | |
| parent | cfg80211: fix processing world regdomain when non modular (diff) | |
| download | linux-dev-9a07bf507dfc5402e63d96596341f2a15e4142c7.tar.xz linux-dev-9a07bf507dfc5402e63d96596341f2a15e4142c7.zip | |
mac80211: Allow HT capa override to add 40 MHz intolerant
This can be useful for testing purposes to confirm valid AP behavior on
HT 20/40 co-existence functionality.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/ht.c')
| -rw-r--r-- | net/mac80211/ht.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index 1495b9e39484..15702ff64a4c 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -31,6 +31,18 @@ static void __check_htcap_disable(struct ieee80211_ht_cap *ht_capa, } } +static void __check_htcap_enable(struct ieee80211_ht_cap *ht_capa, + struct ieee80211_ht_cap *ht_capa_mask, + struct ieee80211_sta_ht_cap *ht_cap, + u16 flag) +{ + __le16 le_flag = cpu_to_le16(flag); + + if ((ht_capa_mask->cap_info & le_flag) && + (ht_capa->cap_info & le_flag)) + ht_cap->cap |= flag; +} + void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, struct ieee80211_sta_ht_cap *ht_cap) { @@ -59,7 +71,7 @@ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, smask = (u8 *)(&ht_capa_mask->mcs.rx_mask); /* NOTE: If you add more over-rides here, update register_hw - * ht_capa_mod_msk logic in main.c as well. + * ht_capa_mod_mask logic in main.c as well. * And, if this method can ever change ht_cap.ht_supported, fix * the check in ieee80211_add_ht_ie. */ @@ -90,6 +102,10 @@ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, __check_htcap_disable(ht_capa, ht_capa_mask, ht_cap, IEEE80211_HT_CAP_LDPC_CODING); + /* Allow user to enable 40 MHz intolerant bit. */ + __check_htcap_enable(ht_capa, ht_capa_mask, ht_cap, + IEEE80211_HT_CAP_40MHZ_INTOLERANT); + /* Allow user to decrease AMPDU factor */ if (ht_capa_mask->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_FACTOR) { |