diff options
| -rw-r--r-- | package/mac80211/patches/568-ath9k_fix_txop_limit.patch | 22 | ||||
| -rw-r--r-- | package/mac80211/patches/569-ath9k_fix_max_aggr_duration.patch | 125 |
2 files changed, 147 insertions, 0 deletions
diff --git a/package/mac80211/patches/568-ath9k_fix_txop_limit.patch b/package/mac80211/patches/568-ath9k_fix_txop_limit.patch new file mode 100644 index 0000000000..255ec2942a --- /dev/null +++ b/package/mac80211/patches/568-ath9k_fix_txop_limit.patch @@ -0,0 +1,22 @@ +--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c ++++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c +@@ -1351,7 +1351,7 @@ static int ath9k_htc_conf_tx(struct ieee + qi.tqi_aifs = params->aifs; + qi.tqi_cwmin = params->cw_min; + qi.tqi_cwmax = params->cw_max; +- qi.tqi_burstTime = params->txop; ++ qi.tqi_burstTime = params->txop * 32; + + qnum = get_hw_qnum(queue, priv->hwq_map); + +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -1359,7 +1359,7 @@ static int ath9k_conf_tx(struct ieee8021 + qi.tqi_aifs = params->aifs; + qi.tqi_cwmin = params->cw_min; + qi.tqi_cwmax = params->cw_max; +- qi.tqi_burstTime = params->txop; ++ qi.tqi_burstTime = params->txop * 32; + + ath_dbg(common, CONFIG, + "Configure tx [queue/halq] [%d/%d], aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n", diff --git a/package/mac80211/patches/569-ath9k_fix_max_aggr_duration.patch b/package/mac80211/patches/569-ath9k_fix_max_aggr_duration.patch new file mode 100644 index 0000000000..b2fbf59f39 --- /dev/null +++ b/package/mac80211/patches/569-ath9k_fix_max_aggr_duration.patch @@ -0,0 +1,125 @@ +--- a/drivers/net/wireless/ath/ath9k/ath9k.h ++++ b/drivers/net/wireless/ath/ath9k/ath9k.h +@@ -298,6 +298,7 @@ struct ath_tx { + struct ath_descdma txdma; + struct ath_txq *txq_map[WME_NUM_AC]; + u32 txq_max_pending[WME_NUM_AC]; ++ u16 max_aggr_framelen[WME_NUM_AC][4][32]; + }; + + struct ath_rx_edma { +@@ -342,6 +343,7 @@ int ath_tx_init(struct ath_softc *sc, in + void ath_tx_cleanup(struct ath_softc *sc); + int ath_txq_update(struct ath_softc *sc, int qnum, + struct ath9k_tx_queue_info *q); ++void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop); + int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, + struct ath_tx_control *txctl); + void ath_tx_tasklet(struct ath_softc *sc); +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -29,6 +29,8 @@ + #define HT_LTF(_ns) (4 * (_ns)) + #define SYMBOL_TIME(_ns) ((_ns) << 2) /* ns * 4 us */ + #define SYMBOL_TIME_HALFGI(_ns) (((_ns) * 18 + 4) / 5) /* ns * 3.6 us */ ++#define TIME_SYMBOLS(t) ((t) >> 2) ++#define TIME_SYMBOLS_HALFGI(t) (((t) * 5 - 4) / 18) + #define NUM_SYMBOLS_PER_USEC(_usec) (_usec >> 2) + #define NUM_SYMBOLS_PER_USEC_HALFGI(_usec) (((_usec*5)-4)/18) + +@@ -74,33 +76,6 @@ enum { + MCS_HT40_SGI, + }; + +-static int ath_max_4ms_framelen[4][32] = { +- [MCS_HT20] = { +- 3212, 6432, 9648, 12864, 19300, 25736, 28952, 32172, +- 6424, 12852, 19280, 25708, 38568, 51424, 57852, 64280, +- 9628, 19260, 28896, 38528, 57792, 65532, 65532, 65532, +- 12828, 25656, 38488, 51320, 65532, 65532, 65532, 65532, +- }, +- [MCS_HT20_SGI] = { +- 3572, 7144, 10720, 14296, 21444, 28596, 32172, 35744, +- 7140, 14284, 21428, 28568, 42856, 57144, 64288, 65532, +- 10700, 21408, 32112, 42816, 64228, 65532, 65532, 65532, +- 14256, 28516, 42780, 57040, 65532, 65532, 65532, 65532, +- }, +- [MCS_HT40] = { +- 6680, 13360, 20044, 26724, 40092, 53456, 60140, 65532, +- 13348, 26700, 40052, 53400, 65532, 65532, 65532, 65532, +- 20004, 40008, 60016, 65532, 65532, 65532, 65532, 65532, +- 26644, 53292, 65532, 65532, 65532, 65532, 65532, 65532, +- }, +- [MCS_HT40_SGI] = { +- 7420, 14844, 22272, 29696, 44544, 59396, 65532, 65532, +- 14832, 29668, 44504, 59340, 65532, 65532, 65532, 65532, +- 22232, 44464, 65532, 65532, 65532, 65532, 65532, 65532, +- 29616, 59232, 65532, 65532, 65532, 65532, 65532, 65532, +- } +-}; +- + /*********************/ + /* Aggregation logic */ + /*********************/ +@@ -648,6 +623,7 @@ static u32 ath_lookup_rate(struct ath_so + struct ieee80211_tx_rate *rates; + u32 max_4ms_framelen, frmlen; + u16 aggr_limit, bt_aggr_limit, legacy = 0; ++ int q = tid->ac->txq->mac80211_qnum; + int i; + + skb = bf->bf_mpdu; +@@ -680,7 +656,7 @@ static u32 ath_lookup_rate(struct ath_so + if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI) + modeidx++; + +- frmlen = ath_max_4ms_framelen[modeidx][rates[i].idx]; ++ frmlen = sc->tx.max_aggr_framelen[q][modeidx][rates[i].idx]; + max_4ms_framelen = min(max_4ms_framelen, frmlen); + } + +@@ -927,6 +903,44 @@ static u32 ath_pkt_duration(struct ath_s + return duration; + } + ++static int ath_max_framelen(int usec, int mcs, bool ht40, bool sgi) ++{ ++ int streams = HT_RC_2_STREAMS(mcs); ++ int symbols, bits; ++ int bytes = 0; ++ ++ symbols = sgi ? TIME_SYMBOLS_HALFGI(usec) : TIME_SYMBOLS(usec); ++ bits = symbols * bits_per_symbol[mcs % 8][ht40] * streams; ++ bits -= OFDM_PLCP_BITS; ++ bytes = bits / 8; ++ bytes -= L_STF + L_LTF + L_SIG + HT_SIG + HT_STF + HT_LTF(streams); ++ if (bytes > 65532) ++ bytes = 65532; ++ ++ return bytes; ++} ++ ++void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop) ++{ ++ u16 *cur_ht20, *cur_ht20_sgi, *cur_ht40, *cur_ht40_sgi; ++ int mcs; ++ ++ /* 4ms is the default (and maximum) duration */ ++ if (!txop || txop > 4096) ++ txop = 4096; ++ ++ cur_ht20 = sc->tx.max_aggr_framelen[queue][MCS_HT20]; ++ cur_ht20_sgi = sc->tx.max_aggr_framelen[queue][MCS_HT20_SGI]; ++ cur_ht40 = sc->tx.max_aggr_framelen[queue][MCS_HT40]; ++ cur_ht40_sgi = sc->tx.max_aggr_framelen[queue][MCS_HT40_SGI]; ++ for (mcs = 0; mcs < 32; mcs++) { ++ cur_ht20[mcs] = ath_max_framelen(txop, mcs, false, false); ++ cur_ht20_sgi[mcs] = ath_max_framelen(txop, mcs, false, true); ++ cur_ht40[mcs] = ath_max_framelen(txop, mcs, true, false); ++ cur_ht40_sgi[mcs] = ath_max_framelen(txop, mcs, true, true); ++ } ++} ++ + static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, + struct ath_tx_info *info, int len) + { |