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4b52d89531
The following patches were backported from upstream before and are not needed any more: package/kernel/mac80211/patches/ath/980-ath10k-fix-max-antenna-gain-unit.patch package/kernel/mac80211/patches/subsys/307-mac80211-do-not-access-the-IV-when-it-was-stripped.patch Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
127 lines
4.1 KiB
Diff
127 lines
4.1 KiB
Diff
From: Ryder Lee <ryder.lee@mediatek.com>
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Date: Fri, 28 May 2021 14:05:43 +0800
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Subject: [PATCH] mac80211: add rate control support for encap offload
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The software rate control cannot deal with encap offload, so fix it.
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Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
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---
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--- a/net/mac80211/rate.c
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+++ b/net/mac80211/rate.c
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@@ -297,15 +297,11 @@ void ieee80211_check_rate_mask(struct ie
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static bool rc_no_data_or_no_ack_use_min(struct ieee80211_tx_rate_control *txrc)
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{
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struct sk_buff *skb = txrc->skb;
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- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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- __le16 fc;
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-
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- fc = hdr->frame_control;
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return (info->flags & (IEEE80211_TX_CTL_NO_ACK |
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IEEE80211_TX_CTL_USE_MINRATE)) ||
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- !ieee80211_is_data(fc);
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+ !ieee80211_is_tx_data(skb);
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}
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static void rc_send_low_basicrate(struct ieee80211_tx_rate *rate,
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@@ -870,7 +866,6 @@ void ieee80211_get_tx_rates(struct ieee8
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int max_rates)
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{
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struct ieee80211_sub_if_data *sdata;
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- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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struct ieee80211_supported_band *sband;
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@@ -882,7 +877,7 @@ void ieee80211_get_tx_rates(struct ieee8
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sdata = vif_to_sdata(vif);
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sband = sdata->local->hw.wiphy->bands[info->band];
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- if (ieee80211_is_data(hdr->frame_control))
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+ if (ieee80211_is_tx_data(skb))
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rate_control_apply_mask(sdata, sta, sband, dest, max_rates);
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if (dest[0].idx < 0)
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--- a/net/mac80211/tx.c
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+++ b/net/mac80211/tx.c
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@@ -679,6 +679,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
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u32 len;
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struct ieee80211_tx_rate_control txrc;
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struct ieee80211_sta_rates *ratetbl = NULL;
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+ bool encap = info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP;
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bool assoc = false;
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memset(&txrc, 0, sizeof(txrc));
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@@ -720,7 +721,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
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* just wants a probe response.
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*/
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if (tx->sdata->vif.bss_conf.use_short_preamble &&
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- (ieee80211_is_data(hdr->frame_control) ||
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+ (ieee80211_is_tx_data(tx->skb) ||
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(tx->sta && test_sta_flag(tx->sta, WLAN_STA_SHORT_PREAMBLE))))
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txrc.short_preamble = true;
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@@ -742,7 +743,8 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
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"%s: Dropped data frame as no usable bitrate found while "
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"scanning and associated. Target station: "
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"%pM on %d GHz band\n",
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- tx->sdata->name, hdr->addr1,
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+ tx->sdata->name,
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+ encap ? ((struct ethhdr *)hdr)->h_dest : hdr->addr1,
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info->band ? 5 : 2))
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return TX_DROP;
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@@ -776,7 +778,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
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if (txrc.reported_rate.idx < 0) {
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txrc.reported_rate = tx->rate;
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- if (tx->sta && ieee80211_is_data(hdr->frame_control))
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+ if (tx->sta && ieee80211_is_tx_data(tx->skb))
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tx->sta->tx_stats.last_rate = txrc.reported_rate;
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} else if (tx->sta)
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tx->sta->tx_stats.last_rate = txrc.reported_rate;
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@@ -3694,8 +3696,16 @@ begin:
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else
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info->flags &= ~IEEE80211_TX_CTL_AMPDU;
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- if (info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)
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+ if (info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) {
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+ if (!ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
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+ r = ieee80211_tx_h_rate_ctrl(&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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+ }
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goto encap_out;
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+ }
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if (info->control.flags & IEEE80211_TX_CTRL_FAST_XMIT) {
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struct sta_info *sta = container_of(txq->sta, struct sta_info,
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--- a/include/net/mac80211.h
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+++ b/include/net/mac80211.h
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@@ -6733,4 +6733,22 @@ struct sk_buff *ieee80211_get_fils_disco
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struct sk_buff *
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ieee80211_get_unsol_bcast_probe_resp_tmpl(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif);
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+
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+/**
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+ * ieee80211_is_tx_data - check if frame is a data frame
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+ *
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+ * The function is used to check if a frame is a data frame. Frames with
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+ * hardware encapsulation enabled are data frames.
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+ *
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+ * @skb: the frame to be transmitted.
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+ */
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+static inline bool ieee80211_is_tx_data(struct sk_buff *skb)
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+{
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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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+
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+ return info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP ||
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+ ieee80211_is_data(hdr->frame_control);
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+}
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+
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#endif /* MAC80211_H */
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