From: John Crispin <john@phrozen.org>
To: Johannes Berg <johannes@sipsolutions.net>,
Kalle Valo <kvalo@codeaurora.org>
Cc: John Crispin <john@phrozen.org>,
linux-wireless@vger.kernel.org,
Rajkumar Manoharan <rmanohar@qti.qualcomm.com>,
Srini Kode <skode@qti.qualcomm.com>,
Shashidhar Lakkavalli <slakkavalli@datto.com>,
ath11k@lists.infradead.org
Subject: [PATCH 2/3] mac80211: dynamically turn TWT requester support on and off
Date: Fri, 26 Apr 2019 10:42:43 +0200 [thread overview]
Message-ID: <20190426084244.28098-3-john@phrozen.org> (raw)
In-Reply-To: <20190426084244.28098-1-john@phrozen.org>
Turn TWT for STA interfaces when they associate and/or receive a
beacon where the twt_responder bit has changed.
Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com>
Signed-off-by: John Crispin <john@phrozen.org>
---
net/mac80211/mlme.c | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 2dbcf5d5512e..f3563670ed58 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3151,6 +3151,21 @@ static bool ieee80211_twt_req_supported(const struct sta_info *sta,
IEEE80211_HE_MAC_CAP0_TWT_RES;
}
+static int ieee80211_recalc_twt_req(struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta,
+ struct ieee802_11_elems *elems)
+{
+ bool twt_req;
+
+ twt_req = ieee80211_twt_req_supported(sta, elems);
+
+ if (sdata->vif.bss_conf.twt_requester != twt_req) {
+ sdata->vif.bss_conf.twt_requester = twt_req;
+ return BSS_CHANGED_TWT;
+ }
+ return 0;
+}
+
static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
struct cfg80211_bss *cbss,
struct ieee80211_mgmt *mgmt, size_t len)
@@ -3333,8 +3348,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
sta);
bss_conf->he_support = sta->sta.he_cap.has_he;
- bss_conf->twt_requester =
- ieee80211_twt_req_supported(sta, &elems);
+ changed |= ieee80211_recalc_twt_req(sdata, sta, &elems);
} else {
bss_conf->he_support = false;
bss_conf->twt_requester = false;
@@ -3994,6 +4008,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
mutex_lock(&local->sta_mtx);
sta = sta_info_get(sdata, bssid);
+ changed |= ieee80211_recalc_twt_req(sdata, sta, &elems);
+
if (ieee80211_config_bw(sdata, sta,
elems.ht_cap_elem, elems.ht_operation,
elems.vht_operation, elems.he_operation,
--
2.11.0
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next prev parent reply other threads:[~2019-04-26 8:43 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-26 8:42 [PATCH 0/3] mac80211: notify the driver when it should enable TWT John Crispin
2019-04-26 8:42 ` [PATCH 1/3] mac80211: allow turning TWT responder support on and off via netlink John Crispin
2019-04-26 8:49 ` Johannes Berg
2019-04-26 8:42 ` John Crispin [this message]
2019-04-26 8:42 ` [PATCH 3/3] ath11k: add TWT support John Crispin
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