diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/312-mac80211-factor-out-code-to-look-up-the-average-pack.patch')
-rw-r--r-- | package/kernel/mac80211/patches/subsys/312-mac80211-factor-out-code-to-look-up-the-average-pack.patch | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/package/kernel/mac80211/patches/subsys/312-mac80211-factor-out-code-to-look-up-the-average-pack.patch b/package/kernel/mac80211/patches/subsys/312-mac80211-factor-out-code-to-look-up-the-average-pack.patch deleted file mode 100644 index 06db852c30..0000000000 --- a/package/kernel/mac80211/patches/subsys/312-mac80211-factor-out-code-to-look-up-the-average-pack.patch +++ /dev/null @@ -1,187 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -Date: Wed, 12 Aug 2020 17:06:12 +0200 -Subject: [PATCH] mac80211: factor out code to look up the average packet - length duration for a rate - -This will be used to enhance AQL estimated aggregation length - -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - ---- a/net/mac80211/airtime.c -+++ b/net/mac80211/airtime.c -@@ -405,18 +405,14 @@ ieee80211_calc_legacy_rate_duration(u16 - return duration; - } - --u32 ieee80211_calc_rx_airtime(struct ieee80211_hw *hw, -- struct ieee80211_rx_status *status, -- int len) -+static u32 ieee80211_get_rate_duration(struct ieee80211_hw *hw, -+ struct ieee80211_rx_status *status, -+ u32 *overhead) - { -- struct ieee80211_supported_band *sband; -- const struct ieee80211_rate *rate; - bool sgi = status->enc_flags & RX_ENC_FLAG_SHORT_GI; -- bool sp = status->enc_flags & RX_ENC_FLAG_SHORTPRE; - int bw, streams; - int group, idx; - u32 duration; -- bool cck; - - switch (status->bw) { - case RATE_INFO_BW_20: -@@ -437,20 +433,6 @@ u32 ieee80211_calc_rx_airtime(struct iee - } - - switch (status->encoding) { -- case RX_ENC_LEGACY: -- if (WARN_ON_ONCE(status->band > NL80211_BAND_5GHZ)) -- return 0; -- -- sband = hw->wiphy->bands[status->band]; -- if (!sband || status->rate_idx >= sband->n_bitrates) -- return 0; -- -- rate = &sband->bitrates[status->rate_idx]; -- cck = rate->flags & IEEE80211_RATE_MANDATORY_B; -- -- return ieee80211_calc_legacy_rate_duration(rate->bitrate, sp, -- cck, len); -- - case RX_ENC_VHT: - streams = status->nss; - idx = status->rate_idx; -@@ -477,13 +459,47 @@ u32 ieee80211_calc_rx_airtime(struct iee - - duration = airtime_mcs_groups[group].duration[idx]; - duration <<= airtime_mcs_groups[group].shift; -+ *overhead = 36 + (streams << 2); -+ -+ return duration; -+} -+ -+ -+u32 ieee80211_calc_rx_airtime(struct ieee80211_hw *hw, -+ struct ieee80211_rx_status *status, -+ int len) -+{ -+ struct ieee80211_supported_band *sband; -+ u32 duration, overhead = 0; -+ -+ if (status->encoding == RX_ENC_LEGACY) { -+ const struct ieee80211_rate *rate; -+ bool sp = status->enc_flags & RX_ENC_FLAG_SHORTPRE; -+ bool cck; -+ -+ if (WARN_ON_ONCE(status->band > NL80211_BAND_5GHZ)) -+ return 0; -+ -+ sband = hw->wiphy->bands[status->band]; -+ if (!sband || status->rate_idx >= sband->n_bitrates) -+ return 0; -+ -+ rate = &sband->bitrates[status->rate_idx]; -+ cck = rate->flags & IEEE80211_RATE_MANDATORY_B; -+ -+ return ieee80211_calc_legacy_rate_duration(rate->bitrate, sp, -+ cck, len); -+ } -+ -+ duration = ieee80211_get_rate_duration(hw, status, &overhead); -+ if (!duration) -+ return 0; -+ - duration *= len; - duration /= AVG_PKT_SIZE; - duration /= 1024; - -- duration += 36 + (streams << 2); -- -- return duration; -+ return duration + overhead; - } - EXPORT_SYMBOL_GPL(ieee80211_calc_rx_airtime); - -@@ -530,46 +546,57 @@ static bool ieee80211_fill_rate_info(str - return false; - } - --static u32 ieee80211_calc_tx_airtime_rate(struct ieee80211_hw *hw, -- struct ieee80211_tx_rate *rate, -- struct rate_info *ri, -- u8 band, int len) -+static int ieee80211_fill_rx_status(struct ieee80211_rx_status *stat, -+ struct ieee80211_hw *hw, -+ struct ieee80211_tx_rate *rate, -+ struct rate_info *ri, u8 band, int len) - { -- struct ieee80211_rx_status stat = { -- .band = band, -- }; -+ memset(stat, 0, sizeof(*stat)); -+ stat->band = band; - -- if (ieee80211_fill_rate_info(hw, &stat, band, ri)) -- goto out; -+ if (ieee80211_fill_rate_info(hw, stat, band, ri)) -+ return 0; - - if (rate->idx < 0 || !rate->count) -- return 0; -+ return -1; - - if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) -- stat.bw = RATE_INFO_BW_80; -+ stat->bw = RATE_INFO_BW_80; - else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) -- stat.bw = RATE_INFO_BW_40; -+ stat->bw = RATE_INFO_BW_40; - else -- stat.bw = RATE_INFO_BW_20; -+ stat->bw = RATE_INFO_BW_20; - -- stat.enc_flags = 0; -+ stat->enc_flags = 0; - if (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) -- stat.enc_flags |= RX_ENC_FLAG_SHORTPRE; -+ stat->enc_flags |= RX_ENC_FLAG_SHORTPRE; - if (rate->flags & IEEE80211_TX_RC_SHORT_GI) -- stat.enc_flags |= RX_ENC_FLAG_SHORT_GI; -+ stat->enc_flags |= RX_ENC_FLAG_SHORT_GI; - -- stat.rate_idx = rate->idx; -+ stat->rate_idx = rate->idx; - if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { -- stat.encoding = RX_ENC_VHT; -- stat.rate_idx = ieee80211_rate_get_vht_mcs(rate); -- stat.nss = ieee80211_rate_get_vht_nss(rate); -+ stat->encoding = RX_ENC_VHT; -+ stat->rate_idx = ieee80211_rate_get_vht_mcs(rate); -+ stat->nss = ieee80211_rate_get_vht_nss(rate); - } else if (rate->flags & IEEE80211_TX_RC_MCS) { -- stat.encoding = RX_ENC_HT; -+ stat->encoding = RX_ENC_HT; - } else { -- stat.encoding = RX_ENC_LEGACY; -+ stat->encoding = RX_ENC_LEGACY; - } - --out: -+ return 0; -+} -+ -+static u32 ieee80211_calc_tx_airtime_rate(struct ieee80211_hw *hw, -+ struct ieee80211_tx_rate *rate, -+ struct rate_info *ri, -+ u8 band, int len) -+{ -+ struct ieee80211_rx_status stat; -+ -+ if (ieee80211_fill_rx_status(&stat, hw, rate, ri, band, len)) -+ return 0; -+ - return ieee80211_calc_rx_airtime(hw, &stat, len); - } - |