Re: iwm(4) broken on latest -current kernel

[mlelstv%serpens.de@localhost (Michael van Elst)]

ktnb%posteo.net@localhost (Kevin Bloom) writes:

>(Michael van Elst) <mlelstv%serpens.de@localhost> wrote:

>> ktnb%posteo.net@localhost (Kevin Bloom) writes:
>> >I have tried this with no avail. :(
>> >Everything is fine using 11.99.3 but moving to the 11.99.4 kernel
>> >is when it dies. It appears to temporarily connect to the network
>> >but that status never goes to active.

>Here is my output:
>iwm0: mac xx:xx:xx:xx:xx:xx bss xx:xx:xx:xx:xx:xx
...
>	rssi 69 txseq 7162 rxseq 21632


rssi 69 is good enough...


Does the following patch help ?

Index: sys/dev/pci/if_iwm.c
===================================================================
RCS file: /cvsroot/src/sys/dev/pci/if_iwm.c,v
retrieving revision 1.92
diff -p -u -r1.92 if_iwm.c
--- sys/dev/pci/if_iwm.c        5 Dec 2025 20:53:51 -0000       1.92
+++ sys/dev/pci/if_iwm.c        20 Dec 2025 09:28:00 -0000
@@ -6575,10 +6575,11 @@ iwm_auth(struct iwm_softc *sc)
         * Prevent the FW from wandering off channel during association
         * by "protecting" the session with a time event.
         */
-       if (in->in_ni.ni_intval) {
-               duration = 11 * in->in_ni.ni_intval / 10;
-               iwm_protect_session(sc, in, duration, 5 * duration);
-       }
+       if (in->in_ni.ni_intval)
+               duration = in->in_ni.ni_intval * 5;
+       else
+               duration = IEEE80211_DUR_TU;
+       iwm_protect_session(sc, in, duration, in->in_ni.ni_intval / 2);
 
        return 0;