diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/375-mac80211-call-ieee80211_tx_h_rate_ctrl-when-dequeue.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/subsys/375-mac80211-call-ieee80211_tx_h_rate_ctrl-when-dequeue.patch | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/375-mac80211-call-ieee80211_tx_h_rate_ctrl-when-dequeue.patch b/package/kernel/mac80211/patches/subsys/375-mac80211-call-ieee80211_tx_h_rate_ctrl-when-dequeue.patch new file mode 100644 index 0000000000..49b1212213 --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/375-mac80211-call-ieee80211_tx_h_rate_ctrl-when-dequeue.patch @@ -0,0 +1,114 @@ +From: Ryder Lee <ryder.lee@mediatek.com> +Date: Fri, 28 May 2021 14:05:41 +0800 +Subject: [PATCH] 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> +--- + +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -1780,8 +1780,6 @@ static int invoke_tx_handlers_early(stru + CALL_TXH(ieee80211_tx_h_ps_buf); + CALL_TXH(ieee80211_tx_h_check_control_port_protocol); + CALL_TXH(ieee80211_tx_h_select_key); +- if (!ieee80211_hw_check(&tx->local->hw, HAS_RATE_CONTROL)) +- CALL_TXH(ieee80211_tx_h_rate_ctrl); + + txh_done: + if (unlikely(res == TX_DROP)) { +@@ -1814,6 +1812,9 @@ static int invoke_tx_handlers_late(struc + goto txh_done; + } + ++ if (!ieee80211_hw_check(&tx->local->hw, HAS_RATE_CONTROL)) ++ CALL_TXH(ieee80211_tx_h_rate_ctrl); ++ + CALL_TXH(ieee80211_tx_h_michael_mic_add); + CALL_TXH(ieee80211_tx_h_sequence); + CALL_TXH(ieee80211_tx_h_fragment); +@@ -3384,15 +3385,21 @@ out: + * Can be called while the sta lock is held. Anything that can cause packets to + * be generated will cause deadlock! + */ +-static void ieee80211_xmit_fast_finish(struct ieee80211_sub_if_data *sdata, +- struct sta_info *sta, u8 pn_offs, +- struct ieee80211_key *key, +- struct sk_buff *skb) ++static ieee80211_tx_result ++ieee80211_xmit_fast_finish(struct ieee80211_sub_if_data *sdata, ++ struct sta_info *sta, u8 pn_offs, ++ struct ieee80211_key *key, ++ struct ieee80211_tx_data *tx) + { ++ struct sk_buff *skb = tx->skb; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_hdr *hdr = (void *)skb->data; + u8 tid = IEEE80211_NUM_TIDS; + ++ if (!ieee80211_hw_check(&tx->local->hw, HAS_RATE_CONTROL) && ++ ieee80211_tx_h_rate_ctrl(tx) != TX_CONTINUE) ++ return TX_DROP; ++ + if (key) + info->control.hw_key = &key->conf; + +@@ -3441,6 +3448,8 @@ static void ieee80211_xmit_fast_finish(s + break; + } + } ++ ++ return TX_CONTINUE; + } + + static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata, +@@ -3544,24 +3553,17 @@ static bool ieee80211_xmit_fast(struct i + tx.sta = sta; + tx.key = fast_tx->key; + +- if (!ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { +- tx.skb = skb; +- r = ieee80211_tx_h_rate_ctrl(&tx); +- skb = tx.skb; +- tx.skb = NULL; +- +- if (r != TX_CONTINUE) { +- if (r != TX_QUEUED) +- kfree_skb(skb); +- return true; +- } +- } +- + if (ieee80211_queue_skb(local, sdata, sta, skb)) + return true; + +- ieee80211_xmit_fast_finish(sdata, sta, fast_tx->pn_offs, +- fast_tx->key, skb); ++ tx.skb = skb; ++ r = ieee80211_xmit_fast_finish(sdata, sta, fast_tx->pn_offs, ++ fast_tx->key, &tx); ++ tx.skb = NULL; ++ if (r == TX_DROP) { ++ kfree_skb(skb); ++ return true; ++ } + + if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + sdata = container_of(sdata->bss, +@@ -3672,8 +3674,12 @@ begin: + (tx.key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) + pn_offs = ieee80211_hdrlen(hdr->frame_control); + +- ieee80211_xmit_fast_finish(sta->sdata, sta, pn_offs, +- tx.key, skb); ++ r = ieee80211_xmit_fast_finish(sta->sdata, sta, pn_offs, ++ tx.key, &tx); ++ if (r != TX_CONTINUE) { ++ ieee80211_free_txskb(&local->hw, skb); ++ goto begin; ++ } + } else { + if (invoke_tx_handlers_late(&tx)) + goto begin; |