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From: Oleksij Rempel <linux@rempel-privat.de>
To: linux-wireless@vger.kernel.org, sujith@msujith.org,
	linville@tuxdriver.com
Cc: Oleksij Rempel <linux@rempel-privat.de>
Subject: [PATCH 09/23] ath9k_htc: sync beacon slot code with ath9k
Date: Sat,  1 Mar 2014 21:15:52 +0100	[thread overview]
Message-ID: <1393704966-13985-10-git-send-email-linux@rempel-privat.de> (raw)
In-Reply-To: <1393704966-13985-1-git-send-email-linux@rempel-privat.de>

we will need it for common-beacon

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
---
 drivers/net/wireless/ath/ath9k/htc.h          |  8 ++++++++
 drivers/net/wireless/ath/ath9k/htc_drv_init.c |  1 +
 drivers/net/wireless/ath/ath9k/htc_drv_main.c | 19 +++++++++++++++----
 3 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 707c5b4..124dfed 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -407,9 +407,17 @@ static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
 #define MIN_SWBA_RESPONSE     10 /* in TUs */
 
 struct htc_beacon {
+	enum {
+		OK,		/* no change needed */
+		UPDATE,		/* update pending */
+		COMMIT		/* beacon sent, commit change */
+	} updateslot;		/* slot time update fsm */
+
 	struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF];
 	u32 bmisscnt;
 	u32 beaconq;
+	int slottime;
+	int slotupdate;
 };
 
 struct ath_btcoex {
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index 4b3b4dd..8a3bd5f 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -520,6 +520,7 @@ static int ath9k_init_priv(struct ath9k_htc_priv *priv,
 
 	for (i = 0; i < ATH9K_HTC_MAX_BCN_VIF; i++)
 		priv->beacon.bslot[i] = NULL;
+	priv->beacon.slottime = ATH9K_SLOT_TIME_9;
 
 	ath9k_cmn_init_channels_rates(common);
 	ath9k_cmn_init_crypto(ah);
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index b82a7c4..f46cd02 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -1500,6 +1500,7 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
 	struct ath9k_htc_priv *priv = hw->priv;
 	struct ath_hw *ah = priv->ah;
 	struct ath_common *common = ath9k_hw_common(ah);
+	int slottime;
 
 	mutex_lock(&priv->mutex);
 	ath9k_htc_ps_wakeup(priv);
@@ -1575,11 +1576,21 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw,
 
 	if (changed & BSS_CHANGED_ERP_SLOT) {
 		if (bss_conf->use_short_slot)
-			ah->slottime = 9;
+			slottime = 9;
 		else
-			ah->slottime = 20;
-
-		ath9k_hw_init_global_settings(ah);
+			slottime = 20;
+		if (vif->type == NL80211_IFTYPE_AP) {
+			/*
+			 * Defer update, so that connected stations can adjust
+			 * their settings at the same time.
+			 * See beacon.c for more details
+			 */
+			priv->beacon.slottime = slottime;
+			priv->beacon.updateslot = UPDATE;
+		} else {
+			ah->slottime = slottime;
+			ath9k_hw_init_global_settings(ah);
+		}
 	}
 
 	if (changed & BSS_CHANGED_HT)
-- 
1.9.0


  parent reply	other threads:[~2014-03-01 20:17 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-01 20:15 [PATCH 00/23] ath9k|ath9k_htc: move dups to common-beacon Oleksij Rempel
2014-03-01 20:15 ` [PATCH 01/23] ath9k: move struct ath_beacon_config to common Oleksij Rempel
2014-03-01 20:15 ` [PATCH 02/23] ath9k_htc: use common ath_beacon_config Oleksij Rempel
2014-03-01 20:15 ` [PATCH 03/23] ath9k_htc: move beaconq to struct htc_beacon Oleksij Rempel
2014-03-01 20:15 ` [PATCH 04/23] ath9k_htc: use ath_beacon_conf.enable_beacon Oleksij Rempel
2014-03-01 20:15 ` [PATCH 05/23] ath9k: move sc_flags to ath_common Oleksij Rempel
2014-03-01 20:15 ` [PATCH 06/23] ath9k_htc: use common->op_flags Oleksij Rempel
2014-03-01 20:15 ` [PATCH 07/23] ath9k_htc: add ATH_OP_PRIM_STA_VIF Oleksij Rempel
2014-03-01 20:15 ` [PATCH 08/23] ath9k: remove unused bc_tstamp Oleksij Rempel
2014-03-01 20:15 ` Oleksij Rempel [this message]
2014-03-01 20:15 ` [PATCH 10/23] ath9k: remove unused beacon_qi Oleksij Rempel
2014-03-01 20:15 ` [PATCH 11/23] ath9k|ath9k_htc: move IEEE80211_MS_TO_TU to common Oleksij Rempel
2014-03-01 20:15 ` [PATCH 12/23] ath9k-common: add nexttbtt and intval to ath_beacon_config Oleksij Rempel
2014-03-01 20:15 ` [PATCH 13/23] ath9k: move ath9k_beacon_config_sta to common-beacon Oleksij Rempel
2014-03-01 20:15 ` [PATCH 14/23] ath9k_htc: use ath9k_cmn_beacon_config_sta Oleksij Rempel
2014-03-01 20:15 ` [PATCH 15/23] ath9k: move ath9k_beacon_config_adhoc to common Oleksij Rempel
2014-03-01 20:15 ` [PATCH 16/23] ath9k_htc: add ath9k_htc_beacon_init (but not use it) Oleksij Rempel
2014-03-01 20:16 ` [PATCH 17/23] ath9k_htc: use ath9k_htc_beacon_init in ath9k_htc_beacon_config_ap Oleksij Rempel
2014-03-01 20:16 ` [PATCH 18/23] ath9k_htc: use ath9k_htc_beacon_init in ath9k_htc_beacon_config_adhoc Oleksij Rempel
2014-03-01 20:16 ` [PATCH 19/23] ath9k_htc: use ath9k_cmn_beacon_config_adhoc Oleksij Rempel
2014-03-01 20:16 ` [PATCH 20/23] ath9k: move ath9k_beacon_config_ap common Oleksij Rempel
2014-03-01 20:16 ` [PATCH 21/23] ath9k: remove unused ath9k_get_next_tbtt Oleksij Rempel
2014-03-01 20:16 ` [PATCH 22/23] ath9k_htc: use ath9k_cmn_beacon_config_ap Oleksij Rempel
2014-03-01 20:16 ` [PATCH 23/23] ath9k_htc: move DEFAULT_SWBA_RESPONSE check to ath9k_htc_beacon_init Oleksij Rempel
2014-03-02  2:14 ` [PATCH 00/23] ath9k|ath9k_htc: move dups to common-beacon Sujith Manoharan
2014-03-02  7:27   ` Oleksij Rempel
2014-03-02  7:50     ` Sujith Manoharan
2014-03-06 18:42       ` John W. Linville
2014-03-07  9:55         ` Oleksij Rempel
2014-03-07 10:18           ` Sujith Manoharan
2014-03-10 15:08             ` Oleksij Rempel
2014-03-14 19:22               ` John W. Linville
2014-03-15  7:51                 ` Oleksij Rempel

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