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Commit 2c76ef89 authored by Sujith's avatar Sujith Committed by John W. Linville
Browse files

ath9k_htc: Update HT configuration properly 



Use BSS_CHANGED_HT to handle HT parameter changes.
The rate information on the target has to be updated
to handle changes in HT configuration.

Signed-off-by: default avatarSujith <Sujith.Manoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 0d425a7d

drivers/net/wireless/ath/ath9k/htc_drv_main.c

+30 −0
Original line number Diff line number Diff line
@@ -409,6 +409,33 @@ static void ath9k_htc_init_rate(struct ath9k_htc_priv *priv, 
			  sta->addr, be32_to_cpu(trate.capflags));

}



static void ath9k_htc_update_rate(struct ath9k_htc_priv *priv,

				  struct ieee80211_vif *vif,

				  struct ieee80211_bss_conf *bss_conf)

{

	struct ath_common *common = ath9k_hw_common(priv->ah);

	struct ath9k_htc_target_rate trate;

	struct ieee80211_sta *sta;

	int ret;



	memset(&trate, 0, sizeof(struct ath9k_htc_target_rate));



	rcu_read_lock();

	sta = ieee80211_find_sta(vif, bss_conf->bssid);

	if (!sta) {

		rcu_read_unlock();

		return;

	}

	ath9k_htc_setup_rate(priv, sta, &trate);

	rcu_read_unlock();



	ret = ath9k_htc_send_rate_cmd(priv, &trate);

	if (!ret)

		ath_print(common, ATH_DBG_CONFIG,

			  "Updated target sta: %pM, rate caps: 0x%X\n",

			  bss_conf->bssid, be32_to_cpu(trate.capflags));

}



static int ath9k_htc_aggr_oper(struct ath9k_htc_priv *priv,

			       struct ieee80211_vif *vif,

			       u8 *sta_addr, u8 tid, bool oper)
@@ -1595,6 +1622,9 @@ static void ath9k_htc_bss_info_changed(struct ieee80211_hw *hw, 
		ath9k_hw_init_global_settings(ah);

	}



	if (changed & BSS_CHANGED_HT)

		ath9k_htc_update_rate(priv, vif, bss_conf);



	ath9k_htc_ps_restore(priv);

	mutex_unlock(&priv->mutex);

}