Date: Tue, 10 Oct 2023 08:00:05 +0000 From: Gary Jennejohn <garyj@gmx.de> To: Miroslav Lachman <000.fbsd@quip.cz> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: driver support for USB WiFi RTL8188GU Message-ID: <20231010100005.6735e50f@ernst.home> In-Reply-To: <bcd0faf2-40c1-3f4a-ddd4-a975eb4944ce@quip.cz> References: <bcd0faf2-40c1-3f4a-ddd4-a975eb4944ce@quip.cz>
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On Mon, 9 Oct 2023 19:31:18 +0200 Miroslav Lachman <000.fbsd@quip.cz> wrote: > Hi, > I accidentally bought the wrong USB WiFi Realtek RTL8188GU. I thought it > would have support in rtwn or rsu, since both drivers mention the number > 8188, but I didn't notice that my purchased WiFi dongle has different > letters at the end. > Is it possible that the RTL8188GU would work with one of those drivers > after some addition of identification, or is it a completely different > chip and not possible to get it to work in FreeBSD? > > Identification of the USB WiFI dongle: > > # usbconfig -d ugen1.4 dump_device_desc > ugen1.4: <Realtek DISK> at usbus1, cfg=3D0 md=3DHOST spd=3DHIGH (480Mbps= ) > pwr=3DON (500mA) > > bLength =3D 0x0012 > bDescriptorType =3D 0x0001 > bcdUSB =3D 0x0200 > bDeviceClass =3D 0x0000 <Probed by interface class> > bDeviceSubClass =3D 0x0000 > bDeviceProtocol =3D 0x0000 > bMaxPacketSize0 =3D 0x0040 > idVendor =3D 0x0bda > idProduct =3D 0x1a2b > bcdDevice =3D 0x0200 > iManufacturer =3D 0x0001 <Realtek> > iProduct =3D 0x0002 <DISK> > iSerialNumber =3D 0x0000 <no string> > bNumConfigurations =3D 0x0001 > > > I tried it with loaded modules on FreeBSD 13.2: > > 40 1 0xffffffff8506f000 a7c0 if_rsu.ko > 41 1 0xffffffff8507a000 1feb0 rsu-rtl8712fw.ko > 42 2 0xffffffff8509a000 19130 rtwn.ko > 43 1 0xffffffff850b4000 e000 if_rtwn_usb.ko > 44 1 0xffffffff850c2000 4ca8 rtwn-rtl8188eefw.ko > 45 1 0xffffffff850c7000 5728 rtwn-rtl8188eufw.ko > 46 1 0xffffffff850cd000 60a8 rtwn-rtl8192cfwE_B.ko > 47 1 0xffffffff850d4000 5ac0 rtwn-rtl8192cfwE.ko > 48 1 0xffffffff850da000 5fd8 rtwn-rtl8192cfwT.ko > 49 1 0xffffffff850e0000 5fd8 rtwn-rtl8192cfwU.ko > 50 1 0xffffffff850e6000 9d28 rtwn-rtl8192eufw.ko > 51 1 0xffffffff850f0000 9e18 rtwn-rtl8812aufw.ko > 52 1 0xffffffff850fa000 8d78 rtwn-rtl8821aufw.ko > > But it was not recognized. > In current (FreeBSD-15) it's in usbdevs as: product REALTEK RTW8821CU_CD 0x1a2b RTW8821CU_CD You could try adding that to /usr/src/sys/dev/usb/usbdevs and then re-buil= d your kernel and modules and test whether it's recognized. =2D- Gary Jennejohn
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