mac80211: Allow disabling SGI-20
This allows user-space (wpa_supplicant) to disable
short guard interval (SGI) for 20Mhz. The SGI-40
disable option is already handled.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index a71d891..8a6d68f 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -62,6 +62,9 @@
__check_htcap_disable(sdata, ht_cap, IEEE80211_HT_CAP_SUP_WIDTH_20_40);
__check_htcap_disable(sdata, ht_cap, IEEE80211_HT_CAP_SGI_40);
+ /* Allow user to disable SGI-20 (SGI-40 is handled above) */
+ __check_htcap_disable(sdata, ht_cap, IEEE80211_HT_CAP_SGI_20);
+
/* Allow user to disable the max-AMSDU bit. */
__check_htcap_disable(sdata, ht_cap, IEEE80211_HT_CAP_MAX_AMSDU);