mirror of https://github.com/hak5/openwrt.git
68 lines
2.4 KiB
Diff
68 lines
2.4 KiB
Diff
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--- a/drivers/net/wireless/ath/ath9k/xmit.c
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+++ b/drivers/net/wireless/ath/ath9k/xmit.c
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@@ -71,24 +71,36 @@ static void ath_tx_rc_status(struct ath_
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int nbad, int txok, bool update_rc);
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enum {
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- MCS_DEFAULT,
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+ MCS_HT20,
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+ MCS_HT20_SGI,
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MCS_HT40,
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MCS_HT40_SGI,
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};
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-static int ath_max_4ms_framelen[3][16] = {
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- [MCS_DEFAULT] = {
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- 3216, 6434, 9650, 12868, 19304, 25740, 28956, 32180,
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- 6430, 12860, 19300, 25736, 38600, 51472, 57890, 64320,
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+static u16 ath_max_4ms_framelen[4][32] = {
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+ [MCS_HT20] = {
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+ 3212, 6432, 9648, 12864, 19300, 25736, 28952, 32172,
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+ 6424, 12852, 19280, 25708, 38568, 51424, 57852, 64280,
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+ 9628, 19260, 28896, 38528, 57792, 65532, 65532, 65532,
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+ 12828, 25656, 38488, 51320, 65532, 65532, 65532, 65532,
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+ },
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+ [MCS_HT20_SGI] = {
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+ 3572, 7144, 10720, 14296, 21444, 28596, 32172, 35744,
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+ 7140, 14284, 21428, 28568, 42856, 57144, 64288, 65532,
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+ 10700, 21408, 32112, 42816, 64228, 65532, 65532, 65532,
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+ 14256, 28516, 42780, 57040, 65532, 65532, 65532, 65532,
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},
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[MCS_HT40] = {
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- 6684, 13368, 20052, 26738, 40104, 53476, 60156, 66840,
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- 13360, 26720, 40080, 53440, 80160, 106880, 120240, 133600,
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+ 6680, 13360, 20044, 26724, 40092, 53456, 60140, 65532,
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+ 13348, 26700, 40052, 53400, 65532, 65532, 65532, 65532,
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+ 20004, 40008, 60016, 65532, 65532, 65532, 65532, 65532,
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+ 26644, 53292, 65532, 65532, 65532, 65532, 65532, 65532,
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},
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[MCS_HT40_SGI] = {
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- /* TODO: Only MCS 7 and 15 updated, recalculate the rest */
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- 6684, 13368, 20052, 26738, 40104, 53476, 60156, 74200,
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- 13360, 26720, 40080, 53440, 80160, 106880, 120240, 148400,
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+ 7420, 14844, 22272, 29696, 44544, 59396, 65532, 65532,
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+ 14832, 29668, 44504, 59340, 65532, 65532, 65532, 65532,
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+ 22232, 44464, 65532, 65532, 65532, 65532, 65532, 65532,
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+ 29616, 59232, 65532, 65532, 65532, 65532, 65532, 65532,
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}
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};
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@@ -538,12 +550,13 @@ static u32 ath_lookup_rate(struct ath_so
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break;
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}
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- if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
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- modeidx = MCS_HT40_SGI;
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- else if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
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+ if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
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modeidx = MCS_HT40;
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else
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- modeidx = MCS_DEFAULT;
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+ modeidx = MCS_HT20;
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+
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+ if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
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+ modeidx++;
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frmlen = ath_max_4ms_framelen[modeidx][rates[i].idx];
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max_4ms_framelen = min(max_4ms_framelen, frmlen);
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