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authorBen Greear <greearb@candelatech.com>2012-12-12 16:56:20 -0800
committerJohannes Berg <johannes.berg@intel.com>2013-01-03 13:01:14 +0100
commitbc0784d951470ca6597239f1bae6e59caf49fb10 (patch)
treec87ecf36682ffff4860279b1f2ebf197ec1bf1e3 /net
parent694c61863286e963e90c75e701a0f79039da865d (diff)
downloadlinux-bc0784d951470ca6597239f1bae6e59caf49fb10.tar.bz2
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>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/ht.c3
-rw-r--r--net/mac80211/main.c1
2 files changed, 4 insertions, 0 deletions
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index a71d891794a4..8a6d68f1f404 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -62,6 +62,9 @@ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
__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);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 1b087fff93e7..0c0d4cabd76c 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -537,6 +537,7 @@ 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),
.mcs = {
.rx_mask = { 0xff, 0xff, 0xff, 0xff, 0xff,