mac80211: initialise queue QoS parameters at hw start
When hardware is started it might be in a confused state with respect to queue QoS parameters. This patch changes mac80211 to set sane defaults right after the hardware is brought up. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Cc: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -987,6 +987,7 @@ int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
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int rate, int erp, int short_preamble);
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void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
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struct ieee80211_hdr *hdr);
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void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata);
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#ifdef CONFIG_MAC80211_NOINLINE
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#define debug_noinline noinline
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@ -399,8 +399,15 @@ static int ieee80211_open(struct net_device *dev)
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atomic_inc(&local->iff_promiscs);
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local->open_count++;
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if (need_hw_reconfig)
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if (need_hw_reconfig) {
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ieee80211_hw_config(local);
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/*
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* set default queue parameters so drivers don't
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* need to initialise the hardware if the hardware
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* doesn't start up with sane defaults
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*/
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ieee80211_set_wmm_default(sdata);
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}
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/*
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* ieee80211_sta_work is disabled while network interface
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@ -539,32 +539,6 @@ static void ieee80211_send_refuse_measurement_request(struct ieee80211_sub_if_da
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}
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/* MLME */
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static void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata)
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{
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struct ieee80211_local *local = sdata->local;
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struct ieee80211_tx_queue_params qparam;
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int i;
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if (!local->ops->conf_tx)
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return;
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memset(&qparam, 0, sizeof(qparam));
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qparam.aifs = 2;
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if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
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!(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE))
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qparam.cw_min = 31;
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else
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qparam.cw_min = 15;
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qparam.cw_max = 1023;
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qparam.txop = 0;
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for (i = 0; i < local_to_hw(local)->queues; i++)
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local->ops->conf_tx(local_to_hw(local), i, &qparam);
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}
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static void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
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struct ieee80211_sta_bss *bss)
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{
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@ -572,3 +572,29 @@ void ieee802_11_parse_elems(u8 *start, size_t len,
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pos += elen;
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}
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}
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void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata)
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{
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struct ieee80211_local *local = sdata->local;
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struct ieee80211_tx_queue_params qparam;
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int i;
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if (!local->ops->conf_tx)
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return;
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memset(&qparam, 0, sizeof(qparam));
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qparam.aifs = 2;
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if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
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!(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE))
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qparam.cw_min = 31;
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else
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qparam.cw_min = 15;
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qparam.cw_max = 1023;
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qparam.txop = 0;
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for (i = 0; i < local_to_hw(local)->queues; i++)
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local->ops->conf_tx(local_to_hw(local), i, &qparam);
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}
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