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| author | Mikhail Pchelin <misha@FreeBSD.org> | 2023-04-14 15:20:09 +0000 |
|---|---|---|
| committer | Mikhail Pchelin <misha@FreeBSD.org> | 2023-04-14 15:20:09 +0000 |
| commit | 2f53b5991ce05b7e6f2b1eb826cd902fb255a9eb (patch) | |
| tree | 5274d81bf1609dafe26583c59c388b9ddd634312 | |
| parent | ea26545cc573ff7e1f69c7cecaf6773e628b6aac (diff) | |
| download | src-2f53b5991ce05b7e6f2b1eb826cd902fb255a9eb.tar.gz src-2f53b5991ce05b7e6f2b1eb826cd902fb255a9eb.zip | |
net80211: fix a typo in Rx MCS set for unequal modulation case
RX MCS set defines which MCSs are supported for RX, bits 0-31 are for equal
modulation of the streams, bits 33-76 are for unequal case. Current code checks
txstreams variable instead of rxstreams to set bits from 53 to 76 for 4 spatial
streams case.
The modulations are defined in tables 19-38 and 19-41 of the IEEE Std
802.11-2020.
Spotted by bz in https://reviews.freebsd.org/D39476
Reviewed by: bz
Approved by: bz
Sponsored by: Serenity Cybersecurity, LLC
Differential Revision: https://reviews.freebsd.org/D39568
| -rw-r--r-- | sys/net80211/ieee80211_ht.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/net80211/ieee80211_ht.c b/sys/net80211/ieee80211_ht.c index f98316bc5088..2bdbc101d861 100644 --- a/sys/net80211/ieee80211_ht.c +++ b/sys/net80211/ieee80211_ht.c @@ -3203,7 +3203,7 @@ ieee80211_set_mcsset(struct ieee80211com *ic, uint8_t *frm) for (i = 39; i <= 52; i++) setbit(frm, i); } - if (ic->ic_txstream >= 4) { + if (ic->ic_rxstream >= 4) { for (i = 53; i <= 76; i++) setbit(frm, i); } |