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| author | shengwei.lu <shengwei.lu@mediatek.com> | 2026-07-23 11:11:08 +0800 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2026-08-01 14:49:43 +0000 |
| commit | 404c4e564f6b1eeffd10bf2b2d3b86620f5794c3 (patch) | |
| tree | 13ee53718f8e2f0ddf686ffc9baa6466e9fa5350 /tools/perf/scripts/python/bin/stackcollapse-report | |
| parent | f0be077b7b66aa4e01b07b8c67ee1f347fe9c9f7 (diff) | |
wifi: mt76: mt7925: Fix EHT Beamformee SS subfields to meet 802.11be minimum
Per IEEE 802.11be, the Beamformee SS <= 80/160/320 MHz 3-bit subfields
in the EHT PHY Capabilities are encoded as (Nss - 1) and are required
to be >= 3 (i.e. at least 4 SS receive capability) whenever SU
Beamformee is advertised.
MT7925 is a 2x2 STA (sts = 2), so directly filling (sts - 1) = 1
violates the spec minimum. Clamp the encoded value to 3 when sts <= 3,
otherwise use (sts - 1). This is applied consistently to the
BEAMFORMEE_SS <= 80 MHz (split across phy_cap_info[0]/[1]), <= 160 MHz
and <= 320 MHz (6 GHz only) subfields.
Fixes: c948b5da6bbe ("wifi: mt76: mt7925: add Mediatek Wi-Fi7 driver for mt7925 chips")
Signed-off-by: shengwei.lu <shengwei.lu@mediatek.com>
Link: https://patch.msgid.link/20260723031108.2017653-1-jb.tsai@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-report')
0 files changed, 0 insertions, 0 deletions