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| author | Ben Greear <greearb@candelatech.com> | 2012-12-12 16:56:20 -0800 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-01-03 13:01:14 +0100 |
| commit | bc0784d951470ca6597239f1bae6e59caf49fb10 (patch) | |
| tree | c87ecf36682ffff4860279b1f2ebf197ec1bf1e3 | |
| parent | 694c61863286e963e90c75e701a0f79039da865d (diff) | |
| download | lwn-bc0784d951470ca6597239f1bae6e59caf49fb10.tar.gz lwn-bc0784d951470ca6597239f1bae6e59caf49fb10.zip | |
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>
| -rw-r--r-- | net/mac80211/ht.c | 3 | ||||
| -rw-r--r-- | net/mac80211/main.c | 1 |
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, |