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[99.7.172.215]) by smtp.gmail.com with ESMTPSA id w5sm2580308pfw.66.2020.12.05.13.25.24 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 05 Dec 2020 13:25:24 -0800 (PST) Reply-To: pgnet.dev@gmail.com From: PGNet Dev To: linux-wireless@vger.kernel.org Subject: wifi dongle connected to USB/pci card, seen in hardware, but no wl* device created; udev, driver, &/or config? Message-ID: <95c76758-485b-aad4-62d2-95ce24f1108c@gmail.com> Date: Sat, 5 Dec 2020 13:25:23 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org hi, I've got an older desktop running Fedora32 with uname -rm 5.9.11-100.fc32.x86_64 x86_64 I've plugged a wifi dongle into a multiport USB3 pci card, lspci | grep "USB 3" 02:00.0 USB controller: Fresco Logic FL1100 USB 3.0 Host Controller (rev 10) On boot, the wifi hardware's seen dmesg ... [ 2.639873] systemd[1]: Starting udev Kernel Device Manager... [ 2.643850] usb 8-4: New USB device found, idVendor=0bda, idProduct=b812, bcdDevice= 2.10 [ 2.643853] usb 8-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 2.643854] usb 8-4: Product: 802.11ac NIC [ 2.643855] usb 8-4: Manufacturer: Realtek [ 2.643856] usb 8-4: SerialNumber: 123456 [ 2.682834] systemd[1]: Started udev Kernel Device Manager. ... lsusb | grep 008 Bus 008 Device 003: ID 0bda:b812 Realtek Semiconductor Corp. RTL88x2bu [AC1200 Techkey] Bus 008 Device 002: ID 2109:2812 VIA Labs, Inc. VL812 Hub Bus 008 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub but hardware check for wlan/wlp* device, returns empty iw list (empty) hwinfo --wlan (empty) in more detail, hwinfo the device is 'there', but unclassified ... 72: USB 00.0: 0000 Unclassified device [Created at usb.122] Unique ID: +4pb.2IcWyDScHM3 Parent ID: FZIx.tisqRJYDXEC SysFS ID: /devices/pci0000:00/0000:00:04.0/0000:02:00.0/usb8/8-4/8-4:1.0 SysFS BusID: 8-4:1.0 Hardware Class: unknown Model: "Realtek 802.11ac NIC" Hotplug: USB Vendor: usb 0x0bda "Realtek Semiconductor Corp." Device: usb 0xb812 "802.11ac NIC" Revision: "2.10" Serial ID: "123456" Speed: 480 Mbps Module Alias: "usb:v0BDApB812d0210dc00dsc00dp00icFFiscFFipFFin00" Config Status: cfg=new, avail=yes, need=no, active=unknown Attached to: #71 (Hub) ... existing default udev rules aren't creating a wlan device; I'd expected that they would ... To get the device created -- when attached to the pci card -- is udev the right mechanism? I'm not clear if the problem here is udev, driver &/or my config. IF udev, what specific rule would create a USB network device for the dongle, either with a wlp* auto-name, or if need be, "wlan0"? Or, what else needs be done to init the wl* dev?