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mt76: mt7603: improve hardware rate switching configuration 

Now that tx status reporting can figure out the first attempted rate, we can
make switching from lower rates to higher rates more conservative.
This reduces retries under bad link conditions and ensures that fallback
rates get more test coverage

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2019-06-25 00:16:20 +02:00
parent c5211e997e
commit ac7ff57127
1 changed files with 10 additions and 1 deletions
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11
drivers/net/wireless/mediatek/mt76/mt7603/init.c
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@ -227,7 +227,16 @@ mt7603_mac_init(struct mt7603_dev *dev)
mt76_rmw_field(dev, MT_LPON_BTEIR, MT_LPON_BTEIR_MBSS_MODE, 2);
mt76_rmw_field(dev, MT_WF_RMACDR, MT_WF_RMACDR_MBSSID_MASK, 2);
mt76_wr(dev, MT_AGG_ARUCR, FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), 7));
mt76_wr(dev, MT_AGG_ARUCR,
FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), 7) |
FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), 2) |
FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), 2) |
FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), 2) |
FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), 1) |
FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), 1) |
FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), 1) |
FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), 1));
mt76_wr(dev, MT_AGG_ARDCR,
FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), MT7603_RATE_RETRY - 1) |
FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), MT7603_RATE_RETRY - 1) |