diff options
Diffstat (limited to 'package/mac80211/patches/562-ath9k_4ms_limit_table.patch')
| -rw-r--r-- | package/mac80211/patches/562-ath9k_4ms_limit_table.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/package/mac80211/patches/562-ath9k_4ms_limit_table.patch b/package/mac80211/patches/562-ath9k_4ms_limit_table.patch new file mode 100644 index 0000000000..2eee096a23 --- /dev/null +++ b/package/mac80211/patches/562-ath9k_4ms_limit_table.patch @@ -0,0 +1,67 @@ +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -71,24 +71,36 @@ static void ath_tx_rc_status(struct ath_ + int nbad, int txok, bool update_rc); + + enum { +- MCS_DEFAULT, ++ MCS_HT20, ++ MCS_HT20_SGI, + MCS_HT40, + MCS_HT40_SGI, + }; + +-static int ath_max_4ms_framelen[3][16] = { +- [MCS_DEFAULT] = { +- 3216, 6434, 9650, 12868, 19304, 25740, 28956, 32180, +- 6430, 12860, 19300, 25736, 38600, 51472, 57890, 64320, ++static u16 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] = { +- 6684, 13368, 20052, 26738, 40104, 53476, 60156, 66840, +- 13360, 26720, 40080, 53440, 80160, 106880, 120240, 133600, ++ 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] = { +- /* TODO: Only MCS 7 and 15 updated, recalculate the rest */ +- 6684, 13368, 20052, 26738, 40104, 53476, 60156, 74200, +- 13360, 26720, 40080, 53440, 80160, 106880, 120240, 148400, ++ 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, + } + }; + +@@ -538,12 +550,13 @@ static u32 ath_lookup_rate(struct ath_so + break; + } + +- if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI) +- modeidx = MCS_HT40_SGI; +- else if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH) ++ if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH) + modeidx = MCS_HT40; + else +- modeidx = MCS_DEFAULT; ++ modeidx = MCS_HT20; ++ ++ if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI) ++ modeidx++; + + frmlen = ath_max_4ms_framelen[modeidx][rates[i].idx]; + max_4ms_framelen = min(max_4ms_framelen, frmlen); |