diff options
author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-07-16 23:50:54 +0000 |
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committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-07-16 23:50:54 +0000 |
commit | f0ce8c9691f4d0b0b79f6be2132883e4328ec50f (patch) | |
tree | a2eefe8e32a16d4e96bc34ce5963c041e60978b0 /package/mac80211/patches/570-ath9k_fix_max_aggr_duration.patch | |
parent | 8d698ff98a76db80527533a11fbf2bee8fcc9197 (diff) |
mac80211: update to latest wireless-testing + some monitor mode fixes and some libertas driver fixes
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32760 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/mac80211/patches/570-ath9k_fix_max_aggr_duration.patch')
-rw-r--r-- | package/mac80211/patches/570-ath9k_fix_max_aggr_duration.patch | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/package/mac80211/patches/570-ath9k_fix_max_aggr_duration.patch b/package/mac80211/patches/570-ath9k_fix_max_aggr_duration.patch deleted file mode 100644 index ea5d5b793..000000000 --- a/package/mac80211/patches/570-ath9k_fix_max_aggr_duration.patch +++ /dev/null @@ -1,135 +0,0 @@ ---- 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) - { ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -1366,6 +1366,7 @@ static int ath9k_conf_tx(struct ieee8021 - queue, txq->axq_qnum, params->aifs, params->cw_min, - params->cw_max, params->txop); - -+ ath_update_max_aggr_framelen(sc, queue, qi.tqi_burstTime); - ret = ath_txq_update(sc, txq->axq_qnum, &qi); - if (ret) - ath_err(common, "TXQ Update failed\n"); |