[elrepo] mac802154_hwsim kmod request

Tamas Csirszka tamas.csirszka at gmail.com
Thu Sep 3 10:05:36 EDT 2020


Hi Alan,

Thanks for the info. I quickly tested this with the below results.
I installed the kernel you suggested on el7 first:

   [root at kernel7 ~]# uname -a
   Linux kernel7 5.8.6-1.el7.elrepo.x86_64 #1 SMP Wed Sep 2 12:22:35 EDT
2020 x86_64 x86_64 x86_64 GNU/Linux
   [root at kernel7 ~]#

But the module doesn't seem to be available:

   [root at kernel7 ~]# modinfo mac802154_hwsim
   modinfo: ERROR: Module mac802154_hwsim not found.
   [root at kernel7 ~]#

Checked the modules dir as well and can't see it there:

   [root at kernel7 ieee802154]# pwd
   /usr/lib/modules/5.8.6-1.el7.elrepo.x86_64/kernel/drivers/net/ieee802154
   [root at kernel7 ieee802154]# ls -l
   total 296
   -rwxr--r--. 1 root root 33424 Sep  3 02:43 adf7242.ko
   -rwxr--r--. 1 root root 49688 Sep  3 02:43 at86rf230.ko
   -rwxr--r--. 1 root root 35792 Sep  3 02:43 atusb.ko
   -rwxr--r--. 1 root root 45256 Sep  3 02:43 ca8210.ko
   -rwxr--r--. 1 root root 29528 Sep  3 02:43 cc2520.ko
   -rwxr--r--. 1 root root 13784 Sep  3 02:43 fakelb.ko
   -rwxr--r--. 1 root root 43288 Sep  3 02:43 mcr20a.ko
   -rwxr--r--. 1 root root 32560 Sep  3 02:43 mrf24j40.ko
   [root at kernel7 ieee802154]#

The Low-Rate Wireless Personal Area Network support ( ieee802154 ) is there
with many available modules, but the hardware simulator module(
mac802154_hwsim.ko ) which my user needs for IoT network modelling is
unfortunately missing.

On el8 the modinfo similarly cannot find the module and the ieee802154
directory is empty:

   [root at kernel8 ieee802154]# pwd
   /usr/lib/modules/5.8.6-1.el8.elrepo.x86_64/kernel/drivers/net/ieee802154
   [root at kernel8 ieee802154]# ls -l
   total 0
   [root at kernel8 ieee802154]#


Cheers,
Tamas


On Thu, Sep 3, 2020 at 10:53 PM Alan Bartlett <ajb at elrepo.org> wrote:

> On Thu, 3 Sep 2020 at 11:05, Tamas Csirszka <tamas.csirszka at gmail.com>
> wrote:
> >
> > Hi Phil,
> >
> > Thank you for creating my account. I was able to log in and created the
> following two RFEs:
> >
> > [channel: elrepo/el7 0001035]: [RFE] mac802154_hwsim kernel driver for
> el7
> >
> > [channel: elrepo/el8 0001036]: [RFE] mac802154_hwsim kernel driver for
> el8
> >
> >
> > Much appreciate your help with this!
> >
> > Cheers,
> > Tamas
>
> Hi Tamas,
>
> While the creation of the kmod packages are being investigated, you
> might like to test the kernel-ml package set [1] that we provide for
> use with both RHEL7 and RHEL8.
>
> The current version [2] (which I shall shortly be announcing on this
> m/l) is built from the linux-5.8.6 sources and has the MAC802154
> configuration option set to build it as a module.
>
> Knowing the result of your test(s) with kernel-ml may assist with the
> backport required to create the relevant kmod package.
>
> Alan.
>
> [1] https://elrepo.org/tiki/kernel-ml
> [2] kernel-ml-5.8.6-1.el{7|8}.elrepo
> _______________________________________________
> elrepo mailing list
> elrepo at lists.elrepo.org
> http://lists.elrepo.org/mailman/listinfo/elrepo
>
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