Commit Message
Greg KH
Oct. 19, 2022, 8:26 a.m. UTC
From: Howard Hsu <howard-yh.hsu@mediatek.com> [ Upstream commit c6d3e16ad4362502e804a6ca01e955612f3b8222 ] Fix the error that mcs will be reduced to a range of 0 to 7 in ht mode. Fixes: 70fd1333cd32 ("mt76: mt7915: rework .set_bitrate_mask() to support more options") Signed-off-by: Howard Hsu <howard-yh.hsu@mediatek.com> Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index f83067961945..e99fdacc11ce 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -1360,7 +1360,7 @@ mt7915_mcu_add_rate_ctrl_fixed(struct mt7915_dev *dev, struct sta_phy phy = {}; int ret, nrates = 0; -#define __sta_phy_bitrate_mask_check(_mcs, _gi, _he) \ +#define __sta_phy_bitrate_mask_check(_mcs, _gi, _ht, _he) \ do { \ u8 i, gi = mask->control[band]._gi; \ gi = (_he) ? gi : gi == NL80211_TXRATE_FORCE_SGI; \ @@ -1373,15 +1373,17 @@ mt7915_mcu_add_rate_ctrl_fixed(struct mt7915_dev *dev, continue; \ nrates += hweight16(mask->control[band]._mcs[i]); \ phy.mcs = ffs(mask->control[band]._mcs[i]) - 1; \ + if (_ht) \ + phy.mcs += 8 * i; \ } \ } while (0) if (sta->deflink.he_cap.has_he) { - __sta_phy_bitrate_mask_check(he_mcs, he_gi, 1); + __sta_phy_bitrate_mask_check(he_mcs, he_gi, 0, 1); } else if (sta->deflink.vht_cap.vht_supported) { - __sta_phy_bitrate_mask_check(vht_mcs, gi, 0); + __sta_phy_bitrate_mask_check(vht_mcs, gi, 0, 0); } else if (sta->deflink.ht_cap.ht_supported) { - __sta_phy_bitrate_mask_check(ht_mcs, gi, 0); + __sta_phy_bitrate_mask_check(ht_mcs, gi, 1, 0); } else { nrates = hweight32(mask->control[band].legacy); phy.mcs = ffs(mask->control[band].legacy) - 1;