Return-path: Received: from mail2.candelatech.com ([208.74.158.173]:35393 "EHLO mail2.candelatech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752980AbcBVWnA (ORCPT ); Mon, 22 Feb 2016 17:43:00 -0500 From: greearb@candelatech.com To: linux-wireless@vger.kernel.org Cc: johannes@sipsolutions.net, Ben Greear Subject: [PATCH] mac80211: Let VHT work on 2.4Ghz Date: Mon, 22 Feb 2016 14:42:54 -0800 Message-Id: <1456180974-21062-1-git-send-email-greearb@candelatech.com> (sfid-20160222_234305_188814_D62222E0) Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Ben Greear ath10k supports VHT on 2.4Ghz band. If supplicant and hostapd and radio think VHT should be allowed, then kernel should let them try. Signed-off-by: Ben Greear --- net/mac80211/mlme.c | 16 ---------------- net/mac80211/util.c | 13 +------------ net/mac80211/vht.c | 15 --------------- 3 files changed, 1 insertion(+), 43 deletions(-) diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 6f079ca..7719867 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -4233,8 +4233,6 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, struct ieee80211_supported_band *sband; struct cfg80211_chan_def chandef; int ret; - u32 i; - bool have_80mhz; sband = local->hw.wiphy->bands[cbss->channel->band]; @@ -4285,20 +4283,6 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, } } - /* Allow VHT if at least one channel on the sband supports 80 MHz */ - have_80mhz = false; - for (i = 0; i < sband->n_channels; i++) { - if (sband->channels[i].flags & (IEEE80211_CHAN_DISABLED | - IEEE80211_CHAN_NO_80MHZ)) - continue; - - have_80mhz = true; - break; - } - - if (!have_80mhz) - ifmgd->flags |= IEEE80211_STA_DISABLE_VHT; - ifmgd->flags |= ieee80211_determine_chantype(sdata, sband, cbss->channel, ht_cap, ht_oper, vht_oper, diff --git a/net/mac80211/util.c b/net/mac80211/util.c index f8eb0f8..cabe16f 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1475,7 +1475,6 @@ static int ieee80211_build_preq_ies_band(struct ieee80211_local *local, int ext_rates_len; int shift; u32 rate_flags; - bool have_80mhz = false; *offset = 0; @@ -1604,17 +1603,7 @@ static int ieee80211_build_preq_ies_band(struct ieee80211_local *local, *offset = noffset; } - /* Check if any channel in this sband supports at least 80 MHz */ - for (i = 0; i < sband->n_channels; i++) { - if (sband->channels[i].flags & (IEEE80211_CHAN_DISABLED | - IEEE80211_CHAN_NO_80MHZ)) - continue; - - have_80mhz = true; - break; - } - - if (sband->vht_cap.vht_supported && have_80mhz && !disable_vht) { + if (sband->vht_cap.vht_supported && /*have_80mhz &&*/ !disable_vht) { if (end - pos < 2 + sizeof(struct ieee80211_vht_cap)) goto out_err; pos = ieee80211_ie_build_vht_cap(pos, &sband->vht_cap, diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c index c38b2f0..58887b3 100644 --- a/net/mac80211/vht.c +++ b/net/mac80211/vht.c @@ -120,7 +120,6 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, struct ieee80211_sta_vht_cap *vht_cap = &sta->sta.vht_cap; struct ieee80211_sta_vht_cap own_cap; u32 cap_info, i; - bool have_80mhz; memset(vht_cap, 0, sizeof(*vht_cap)); @@ -130,20 +129,6 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, if (!vht_cap_ie || !sband->vht_cap.vht_supported) return; - /* Allow VHT if at least one channel on the sband supports 80 MHz */ - have_80mhz = false; - for (i = 0; i < sband->n_channels; i++) { - if (sband->channels[i].flags & (IEEE80211_CHAN_DISABLED | - IEEE80211_CHAN_NO_80MHZ)) - continue; - - have_80mhz = true; - break; - } - - if (!have_80mhz) - return; - /* * A VHT STA must support 40 MHz, but if we verify that here * then we break a few things - some APs (e.g. Netgear R6300v2 -- 2.4.3