mac80211: call ieee80211_tx_h_rate_ctrl() when dequeue
Make ieee80211_tx_h_rate_ctrl() get called on dequeue to improve performance since it reduces the turnaround time for rate control. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Link: https://lore.kernel.org/r/20210617163113.75815-2-nbd@nbd.name Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Родитель
08a46c6420
Коммит
03c3911d2d
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@ -1768,8 +1768,6 @@ static int invoke_tx_handlers_early(struct ieee80211_tx_data *tx)
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CALL_TXH(ieee80211_tx_h_ps_buf);
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CALL_TXH(ieee80211_tx_h_check_control_port_protocol);
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CALL_TXH(ieee80211_tx_h_select_key);
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if (!ieee80211_hw_check(&tx->local->hw, HAS_RATE_CONTROL))
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CALL_TXH(ieee80211_tx_h_rate_ctrl);
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txh_done:
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if (unlikely(res == TX_DROP)) {
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@ -1802,6 +1800,9 @@ static int invoke_tx_handlers_late(struct ieee80211_tx_data *tx)
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goto txh_done;
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}
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if (!ieee80211_hw_check(&tx->local->hw, HAS_RATE_CONTROL))
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CALL_TXH(ieee80211_tx_h_rate_ctrl);
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CALL_TXH(ieee80211_tx_h_michael_mic_add);
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CALL_TXH(ieee80211_tx_h_sequence);
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CALL_TXH(ieee80211_tx_h_fragment);
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@ -3389,15 +3390,21 @@ out:
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* Can be called while the sta lock is held. Anything that can cause packets to
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* be generated will cause deadlock!
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*/
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static void ieee80211_xmit_fast_finish(struct ieee80211_sub_if_data *sdata,
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struct sta_info *sta, u8 pn_offs,
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struct ieee80211_key *key,
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struct sk_buff *skb)
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static ieee80211_tx_result
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ieee80211_xmit_fast_finish(struct ieee80211_sub_if_data *sdata,
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struct sta_info *sta, u8 pn_offs,
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struct ieee80211_key *key,
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struct ieee80211_tx_data *tx)
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{
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struct sk_buff *skb = tx->skb;
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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struct ieee80211_hdr *hdr = (void *)skb->data;
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u8 tid = IEEE80211_NUM_TIDS;
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if (!ieee80211_hw_check(&tx->local->hw, HAS_RATE_CONTROL) &&
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ieee80211_tx_h_rate_ctrl(tx) != TX_CONTINUE)
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return TX_DROP;
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if (key)
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info->control.hw_key = &key->conf;
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@ -3446,6 +3453,8 @@ static void ieee80211_xmit_fast_finish(struct ieee80211_sub_if_data *sdata,
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break;
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}
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}
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return TX_CONTINUE;
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}
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static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata,
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@ -3549,24 +3558,17 @@ static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata,
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tx.sta = sta;
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tx.key = fast_tx->key;
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if (!ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
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tx.skb = skb;
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r = ieee80211_tx_h_rate_ctrl(&tx);
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skb = tx.skb;
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tx.skb = NULL;
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if (r != TX_CONTINUE) {
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if (r != TX_QUEUED)
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kfree_skb(skb);
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return true;
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}
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}
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if (ieee80211_queue_skb(local, sdata, sta, skb))
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return true;
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ieee80211_xmit_fast_finish(sdata, sta, fast_tx->pn_offs,
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fast_tx->key, skb);
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tx.skb = skb;
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r = ieee80211_xmit_fast_finish(sdata, sta, fast_tx->pn_offs,
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fast_tx->key, &tx);
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tx.skb = NULL;
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if (r == TX_DROP) {
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kfree_skb(skb);
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return true;
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}
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if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
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sdata = container_of(sdata->bss,
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@ -3683,8 +3685,12 @@ begin:
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(tx.key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
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pn_offs = ieee80211_hdrlen(hdr->frame_control);
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ieee80211_xmit_fast_finish(sta->sdata, sta, pn_offs,
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tx.key, skb);
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r = ieee80211_xmit_fast_finish(sta->sdata, sta, pn_offs,
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tx.key, &tx);
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if (r != TX_CONTINUE) {
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ieee80211_free_txskb(&local->hw, skb);
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goto begin;
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}
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} else {
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if (invoke_tx_handlers_late(&tx))
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goto begin;
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