Juergen Lock wrote:
> On Fri, Apr 28, 2006 at 08:25:02PM +0400, Igor Kovalenko wrote:
>> Juergen Lock wrote:
>>> I played with
>>> qemu -monitor stdio -m 256 -cdrom 6.1-RC1-i386-disc1.iso -usb -soundhw
>>> es1370 -kernel-kqemu -net nic,model=rtl8139 -net user
>>> and got it as far as
>>> re0: diagnostic failed, failed to receive packet in loopback mode
>>> (followed by a panic :) with the (experimental) patches below.
>>>
>>> Anyone in the mood to implement loopback mode for this nic?
>>>
>>> Hmm actually... I just found the original posting in the archive,
>>> is C+ mode implemented now? If not re is probably not what I want,
>> The rtl8139 is set up with PCI rev ID 0x20 which should be enough for OS
>> driver
>> to detect C+ mode features. C+ mode is OK, tested with Linux driver.
>
> Cool, so I want FreeBSD's re driver. That one checks TxConfig
> tho, as changed in my patch (inside #if 0). And when changed,
> it still doesn't work as mentioned above because the driver expects
> loopback mode to be working.
>>> but the rl driver that it attaches without that #if 0'd (now) hunk
>>> below doesnt seem to be able to get data thru either and I get
>>> rl0: watchdog timeout
>>> in dmesg, which usually means the driver doesnt receive interrupts.
>>>
>>> What the heck, I'll append a log of a run just doing in fixit->cdrom:
>>> ifconfig rl0 10.0.2.15
>>> and then exiting (which is enough to trigger the watchdog timeout...)
>>>
>> I'm too lasy to test with fresh freebsd installation :)
>
> No need to install FreeBSD, you can get away by just using
> fixit mode of an install iso, i.e. disc1. (which actually is
> what I did above. :)
>
> You can look at 6.1RC's re driver here:
> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/re/if_re.c?annotate=1.46.2.14
> which includes:
> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/pci/if_rlreg.h?annotate=1.51.2.3
>
> And 6.1RC disc1 iso is e.g. here:
> ftp://ftp.ru.freebsd.org:/pub/FreeBSD/ISO-IMAGES-i386/6.1/6.1-RC1-i386-disc1.iso
>
>
Thanks, that iso pointer made it.
Please try the following on top of your patch, at least ping should now work:
--- hw/rtl8139.c.freebsd 2006-04-29 10:44:43.000000000 +0400
+++ hw/rtl8139.c 2006-04-29 10:45:37.000000000 +0400
@@ -1979,6 +1979,18 @@
return ret;
}
+static uint32_t rtl8139_RxBufAddr_read(RTL8139State *s)
+{
+ /* this value is NOT off by 16 */
+ uint32_t ret = s->RxBufAddr;
+
+#ifdef DEBUG_RTL8139
+ printf("RTL8139: RxBufAddr read val=0x%04x\n", ret);
+#endif
+
+ return ret;
+}
+
static void rtl8139_RxBuf_write(RTL8139State *s, uint32_t val)
{
#ifdef DEBUG_RTL8139
@@ -2441,6 +2453,10 @@
ret = rtl8139_RxBufPtr_read(s);
break;
+ case RxBufAddr:
+ ret = rtl8139_RxBufAddr_read(s);
+ break;
+
case BasicModeCtrl:
ret = rtl8139_BasicModeCtrl_read(s);
break;
--
Kind regards,
Igor V. Kovalenko
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