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Thu, 26 Mar 2026 17:12:33 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface From: Javier Tia Date: Thu, 26 Mar 2026 15:12:27 -0600 Subject: [PATCH v4 3/9] wifi: mt76: mt7925: handle 320MHz bandwidth in RXV and TXS Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260326-mt7927-wifi-support-v4-v4-3-8ab465addcfe@jetm.me> To: Felix Fietkau , Lorenzo Bianconi , Ryder Lee , Shayne Chen , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno , Ming Yen Hsieh , Deren Wu Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Marcin FM , Cristian-Florin Radoi , George Salukvadze , Evgeny Kapusta <3193631@gmail.com>, Samu Toljamo , Ariel Rosenfeld , Chapuis Dario , =?utf-8?q?Thibaut_Fran=C3=A7ois?= , =?utf-8?q?=E5=BC=A0=E6=97=AD=E6=B6=B5?= X-Mailer: b4 0.15.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2005; i=floss@jetm.me; h=from:subject:message-id; bh=BZB4eayi5CQeKoa7X5LI8ihvLOiSO2F3JQGoBG3iu4g=; b=owEB7QES/pANAwAKAbXuwwuoZ3cfAcsmYgBpxaE43mYqYvjLKfFiKw/xDraf9On4ZhVZC9zX5 CgZ/PlCnY+JAbMEAAEKAB0WIQSbE7ILzw7eI0VKk8m17sMLqGd3HwUCacWhOAAKCRC17sMLqGd3 H/4LDACtHZzKRKfSiDyTKRDfgF+YxZdhtWscYyilTOCuhcyrdfCpsXzL0zeqfThofcrcuCFq254 mQh5V+OJ334wEm1fZmpwLBjj7VGK9f1OcwJ2LDgLC0oEXsgtyWz5LvKKrucY3SWlXt8tl0GKnC3 nA5TdRnE8YRAzuUTRalXX6tp2J1IWM+ffOi9BMpkFdWl5Fsl/NMlsFwGLdulf3cA3BCySgGxmaI k+2VzoFfZlUXQjx2mpzBOh2hmQ3Jwi6PnhcHllvKwTmdqIhaqYc7Up8E7nti3yA1rk/Wrg+Kcip Af8tJSu8hcX8yaTPBXNGUg5IpvRqhpFz/eNepR9a7KHHgspXieXv7UNhmbNsaiw4az2bHI0nhip FeieLZgSZYCUS3qIBJm60tnSEB1JQuG05P6/X+jQBoqcHJTy7pcpSsuaE9XZZrMhhX+9MD/C0HK YZstmB5ppRWjlQAXQj3X7D/q6y9b5v5dvwevmKz8eTi6UFFOcITNto9+xac9QIhWJ0Ubk= X-Developer-Key: i=floss@jetm.me; a=openpgp; fpr=9B13B20BCF0EDE23454A93C9B5EEC30BA867771F In-Reply-To: <20260326-mt7927-wifi-support-v4-v4-0-8ab465addcfe@jetm.me> References: <20260326-mt7927-wifi-support-v4-v4-0-8ab465addcfe@jetm.me> The RX vector (RXV) and TX status (TXS) parsing in mac.c lack handling for 320MHz channel width. When the hardware reports 320MHz in the bandwidth field, mt7925_mac_fill_rx_rate() returns -EINVAL and mt7925_mac_add_txs_skb() records no bandwidth stats. Add IEEE80211_STA_RX_BW_320 cases to both functions. The RXV parser also handles BW_320+1 since the hardware can report 320MHz in two adjacent encoding positions. Tested-by: Marcin FM Tested-by: Cristian-Florin Radoi Tested-by: George Salukvadze Tested-by: Evgeny Kapusta <3193631@gmail.com> Tested-by: Samu Toljamo Tested-by: Ariel Rosenfeld Tested-by: Chapuis Dario Tested-by: Thibaut Fran=C3=A7ois Tested-by: =E5=BC=A0=E6=97=AD=E6=B6=B5 Signed-off-by: Javier Tia --- drivers/net/wireless/mediatek/mt76/mt7925/mac.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mac.c b/drivers/net/= wireless/mediatek/mt76/mt7925/mac.c index caaf71c31480..ad03fc554b69 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/mac.c @@ -339,6 +339,11 @@ mt7925_mac_fill_rx_rate(struct mt792x_dev *dev, case IEEE80211_STA_RX_BW_160: status->bw =3D RATE_INFO_BW_160; break; + /* RXV can report 320 in two positions */ + case IEEE80211_STA_RX_BW_320: + case IEEE80211_STA_RX_BW_320 + 1: + status->bw =3D RATE_INFO_BW_320; + break; default: return -EINVAL; } @@ -992,6 +997,10 @@ mt7925_mac_add_txs_skb(struct mt792x_dev *dev, struct = mt76_wcid *wcid, stats->tx_mode[mode]++; =20 switch (FIELD_GET(MT_TXS0_BW, txs)) { + case IEEE80211_STA_RX_BW_320: + rate.bw =3D RATE_INFO_BW_320; + stats->tx_bw[4]++; + break; case IEEE80211_STA_RX_BW_160: rate.bw =3D RATE_INFO_BW_160; stats->tx_bw[3]++; --=20 2.53.0