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Wed, 25 Mar 2026 18:10:58 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface From: Javier Tia Date: Wed, 25 Mar 2026 16:10:52 -0600 Subject: [PATCH v3 03/13] wifi: mt76: mt7925: handle 320MHz bandwidth in RXV and TXS Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260325-mt7927-wifi-support-v2-v3-3-5ca66c97a755@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/pANAwAKAbXuwwuoZ3cfAcsmYgBpxF1pAqM0OjgRKzZzz+COTIrszcH61TvR7Y4ZW XxTxDBRh8aJAbMEAAEKAB0WIQSbE7ILzw7eI0VKk8m17sMLqGd3HwUCacRdaQAKCRC17sMLqGd3 H4G4DACeGc4oF99VE9s4IYS1SQfwXsrwfwBwdh2hDlI/myXA0dY78kxUJ69KyH2VWzP7erQZf55 sqxPgO0xxxXhSdVQ7hKIYiqKdRPaN1yhCyQPSmD0N4Tiwc6/abo4X1eF/xWLtKqL3+yM+MqZFrr JpA5I1CeZZZ/jYKLabF9lLx3QfhT+TUa5HHMPW+UBxddI8/BmwShC6iAvXV0g1JLXP0gAWm+Qjh yHU2XzUAvMHtDdSvY7Lnn5eApiR0YYK9LJoyZCPOOoSxWKbgI1ahEl0DKciIyHseC62T7MB2JMu Gujss3PCCvihB3ogPskLF00fSg1C9wMwLdmKR07CWFNn8gimwTVMhGxlvFIk3Ht8B41LHrnAdGZ bdMADJWUnbbsHrkvakvFCyK5EIfHIvD46dvWgRyNoyyuUNyxFsPk1THhbPoS3dHbiVhj+VxmUhm KGo4LHca/OiJ0UMLyYClUyHSSYp7ewIMdR+d76KwlFlA15e7LfcM1O3HW+ELHiq6Bshko= X-Developer-Key: i=floss@jetm.me; a=openpgp; fpr=9B13B20BCF0EDE23454A93C9B5EEC30BA867771F In-Reply-To: <20260325-mt7927-wifi-support-v2-v3-0-5ca66c97a755@jetm.me> References: <20260325-mt7927-wifi-support-v2-v3-0-5ca66c97a755@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 François Tested-by: 张旭涵 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 = 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 = 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]++; switch (FIELD_GET(MT_TXS0_BW, txs)) { + case IEEE80211_STA_RX_BW_320: + rate.bw = RATE_INFO_BW_320; + stats->tx_bw[4]++; + break; case IEEE80211_STA_RX_BW_160: rate.bw = RATE_INFO_BW_160; stats->tx_bw[3]++; -- 2.53.0