Hi tech@, Here is a diff to enable bwfm(4) on Loongson for USB devices.
Tested on a Lemote Yeeloong 8101B. Comments? OK? Index: sys/arch/loongson/conf/GENERIC =================================================================== RCS file: /cvs/src/sys/arch/loongson/conf/GENERIC,v retrieving revision 1.57 diff -u -p -r1.57 GENERIC --- sys/arch/loongson/conf/GENERIC 24 Apr 2018 03:17:36 -0000 1.57 +++ sys/arch/loongson/conf/GENERIC 30 May 2018 15:45:25 -0000 @@ -164,6 +164,7 @@ atu* at uhub? # Atmel AT76c50x based 80 aue* at uhub? # ADMtek AN986 Pegasus Ethernet axe* at uhub? # ASIX Electronics AX88172 USB Ethernet axen* at uhub? # ASIX Electronics AX88179 USB Ethernet +bwfm* at uhub? # Broadcom FullMAC cdce* at uhub? # CDC Ethernet urndis* at uhub? # Remote NDIS Ethernet cue* at uhub? # CATC USB-EL1201A based Ethernet