Crap. I thought I tested this in my test program. I missed lifreq for
reasons unbeknownst to me. I'm going to fix it. Stay tuned.
-- Garrett
Jürgen Keil wrote:
> Garrett D'Amore wrote:
>
>
>> Okay, I've done some more research.
>>
>> 1) The macros themselves that make use of _IOCPARM_MASK (_IOR, _IOW,
>> _IORW) are "private" to ON. That is, external code shouldn't be
>> directly using them. kqemu falls down here. I'm not sure we need to
>> worry about that.
>>
>> 2) I did find *one* potential issue in ON, which is that struct
>> iftun_req has a size of 600. All other ioctls defined in ON header
>> files use sizes that won't be truncated. The ioctls impacted are
>> SIOCGTUNPARAM and SIOCSTUNPARAM.
>>
>
>
> What about SIOCGLIFFLAGS ?
>
> I just tried to pkgrm the xVM (b91) packages, on a machine
> that is running recent opensolaris bits. And this caught my
> attention:
>
> # pkgrm SUNWvirtinst SUNWurlgrabber SUNWlibvirt SUNWxvmhvm SUNWxvmh SUNWxvmu
> SUNWxvmr SUNWxvmdomu SUNWxvmdomr
>
> Folgendes Package ist derzeit installiert:
> SUNWvirtinst virt-install
> (i386) 11.11,REV=2008.06.06.18.11
>
> Wollen Sie dieses Package entfernen? [y,n,?,q] y
> SIOCGLIFFLAGS: Ungültiges Argument
> SIOCGLIFFLAGS: Ungültiges Argument
>
> (Sorry, for the german massages; it's complaining about "SIOCGLIFFLAGS:
> invalid argument")
>
> And a quick check with this test program shows
> that the ioctl request code has changed from
> c0786975 -> c1786975, and that sizeof(lifreq) == 376
>
> #include <sys/types.h>
> #include <net/if.h>
> #include <sys/sockio.h>
>
> main()
> {
> printf("%x\n", SIOCGLIFFLAGS);
> printf("%d\n", sizeof(struct lifreq));
> }
>
>
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