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b=cbFBOFwEiQsV0cgOIIuKoQ1PBP ZaQ/jBmflQ2/aG187W+a3RZX7M69ExPYG9xLm47Dy2yppAWogm6CLfn5bJ8GEkxSwnIvvonX08EEf xs55vV6JFEqPSi8+MqVImN8Do8/4UbwlaxCtnWoLilddUbZMwKpcKSerCEBZm9um/dJ4=; Received: from p54a434bb.dip0.t-ipconnect.de ([84.164.52.187] helo=nf.local) by ds12 with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96) (envelope-from ) id 1xE1Qq-00GqWr-11; Tue, 06 Oct 2026 11:25:56 +0200 Message-ID: <8dec78e7-1f4a-4d68-a592-15ad0f1fdac0@nbd.name> Date: Tue, 6 Oct 2026 11:25:55 +0200 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 02/23] wifi: mt76: mt7925: add NMI/NDI MAC address setter helpers To: Sean Wang Cc: linux-wireless@vger.kernel.org, linux-mediatek@lists.infradead.org, yu-ching.liu@mediatek.com, jenhao.yang@mediatek.com, posh.sun@mediatek.com, Chengwei Yu , Sean Wang References: <20260927210306.737669-1-sean.wang@kernel.org> <20260927210306.737669-3-sean.wang@kernel.org> Content-Language: en-US From: Felix Fietkau Autocrypt: addr=nbd@nbd.name; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 27.09.26 23:02, Sean Wang wrote: > From: Chengwei Yu > > Add mt7925_nan_set_nmi_address() and mt7925_nan_set_ndi_address() for > runtime MAC address changes: NMI goes through the MCU (firmware owns > the hardware address), NDI updates vif->addr directly. > > Co-developed-by: Sean Wang > Signed-off-by: Sean Wang > Signed-off-by: Chengwei Yu > --- > .../net/wireless/mediatek/mt76/mt7925/nan.c | 48 +++++++++++++++++++ > .../net/wireless/mediatek/mt76/mt7925/nan.h | 8 ++++ > 2 files changed, 56 insertions(+) > > diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/nan.c b/drivers/net/wireless/mediatek/mt76/mt7925/nan.c > index 8a59f7b1aee2..abbd3f7b081c 100644 > --- a/drivers/net/wireless/mediatek/mt76/mt7925/nan.c > +++ b/drivers/net/wireless/mediatek/mt76/mt7925/nan.c > @@ -697,6 +697,54 @@ void mt7925_nan_mcu_event(struct mt792x_dev *dev, struct sk_buff *skb) > } > } > > +int mt7925_nan_set_nmi_address(struct ieee80211_vif *vif, > + struct mt792x_dev *dev, > + const u8 *mac_address) > +{ > + struct mt76_dev *mdev = &dev->mt76; > + struct { > + u8 rsv[4]; > + struct mt7925_nan_nmi_addr_tlv nmi_addr_tlv; > + } nmi_cmd = { > + .nmi_addr_tlv = { > + .tag = cpu_to_le16(NAN_UNI_CMD_CHANGE_NMI_ADDRESS), > + .len = cpu_to_le16(sizeof(struct mt7925_nan_nmi_addr_tlv)), > + }, > + }; > + > + if (!dev || !vif || !mac_address) > + return -EINVAL; > + > + if (is_zero_ether_addr(mac_address) || > + is_multicast_ether_addr(mac_address)) > + return -EINVAL; > + > + memcpy(nmi_cmd.nmi_addr_tlv.nmi_addr, mac_address, ETH_ALEN); > + > + return mt76_mcu_send_msg(mdev, MCU_UNI_CMD(NAN), &nmi_cmd, > + sizeof(nmi_cmd), true); > +} > + > +int mt7925_nan_set_ndi_address(struct ieee80211_vif *vif, > + struct mt792x_dev *dev, > + const u8 *mac_address) > +{ > + if (!dev || !vif || !mac_address) > + return -EINVAL; > + > + if (is_zero_ether_addr(mac_address) || > + is_multicast_ether_addr(mac_address)) > + return -EINVAL; > + > + /* > + * The NDI address is not managed by firmware; it is the vif's own > + * hardware address, so updating it locally is sufficient. > + */ > + memcpy(vif->addr, mac_address, ETH_ALEN); What about bss_conf->addr and the netdev addr. Do those need to be updated? - Felix