Some information in the umb(4) man page seems to be outdated (IPV4 gateway
handling), or doesn't really belong in a man page ("please hack the driver
to add a device to a blacklist").Also try to shorten the page a bit and move information about troublesome devices to CAVEATS. Index: umb.4 =================================================================== RCS file: /cvs/src/share/man/man4/umb.4,v retrieving revision 1.1 diff -u -p -r1.1 umb.4 --- umb.4 15 Jun 2016 19:39:34 -0000 1.1 +++ umb.4 19 Jun 2016 12:58:24 -0000 @@ -26,44 +26,27 @@ The .Nm driver provides support for USB MBIM devices. -Those devices establish connections via celluar networks such as -GPRS, UMTS, and LTE. .Pp -The -.Nm -device appears as a regular point-to-point network interface, +MBIM devices establish connections via cellular networks such as +GPRS, UMTS, and LTE. +They appear as a regular point-to-point network interface, transporting raw IP frames. .Pp Required configuration parameters like PIN and APN have to be set -via +with .Xr ifconfig 8 . Once the SIM card has been unlocked with the correct PIN, it -will remain in this state until the device is power-cycled. +will remain in this state until the MBIM device is power-cycled. In case the device is connected to an "always-on" USB port, -it is possible to connect to a provider without entering the -PIN again even afer a reboot of the system. -.Pp -If a default gateway route is configured for the -.Nm -network interface, the driver will modify the destination IP address -dynamically, according to the information sent by the network provider. +it may be possible to connect to a provider without entering the +PIN again even if the system was rebooted. .Sh HARDWARE -The following devices are known to be supported by the -.Nm -driver: +The following devices should work: .Pp .Bl -tag -width Ds -offset indent -compact .It Tn Sierra Wireless EM8805 .It Tn Sierra Wireless MC8305 .El -.Pp -There are probably a lot more devices that also work flawlessly. -If some devices fail to provide a confirming MBIM implementation, -their vendor and product IDs should be added to the driver's blacklist -manually. -Since most devices offer multiple interfaces, blacklisted ones will -probably be attached by some other driver, such as -.Xr umsm 4 . .Sh SEE ALSO .Xr intro 4 , .Xr netintro 4 , @@ -78,4 +61,8 @@ probably be attached by some other drive .Sh CAVEATS The .Nm -driver currently does not support IPv6 addresses. +driver does not support IPv6. +.Pp +Devices which fail to provide a confirming MBIM implementation will +probably be attached by some other driver, such as +.Xr umsm 4 .
