mac80211: Allow disabling LDPC

This allows user-space (wpa_supplicant) to disable LDPC coding.

Signed-off-by: Pawel Kulakowski <pawel.kulakowski@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index c150b68..1495b9e 100644 (file)
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -86,6 +86,10 @@ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
        __check_htcap_disable(ht_capa, ht_capa_mask, ht_cap,
                              IEEE80211_HT_CAP_MAX_AMSDU);
 
+       /* Allow user to disable LDPC */
+       __check_htcap_disable(ht_capa, ht_capa_mask, ht_cap,
+                             IEEE80211_HT_CAP_LDPC_CODING);
+
        /* Allow user to decrease AMPDU factor */
        if (ht_capa_mask->ampdu_params_info &
            IEEE80211_HT_AMPDU_PARM_FACTOR) {

diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index b055f6a..cfc24e9 100644 (file)
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -444,7 +444,8 @@ static const struct ieee80211_ht_cap mac80211_ht_capa_mod_mask = {
        .cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
                                IEEE80211_HT_CAP_MAX_AMSDU |
                                IEEE80211_HT_CAP_SGI_20 |
-                               IEEE80211_HT_CAP_SGI_40),
+                               IEEE80211_HT_CAP_SGI_40 |
+                               IEEE80211_HT_CAP_LDPC_CODING),
        .mcs = {
                .rx_mask = { 0xff, 0xff, 0xff, 0xff, 0xff,
                             0xff, 0xff, 0xff, 0xff, 0xff, },