Re: svn commit: r351616 - head/sys/dev/usb/net

2019-09-02 Thread Oleksandr Tymoshenko
Hans Petter Selasky (h...@selasky.org) wrote:
> On 2019-09-02 02:29, Oleksandr Tymoshenko wrote:
> > Gleb Smirnoff (gleb...@freebsd.org) wrote:
> >> Author: glebius
> >> Date: Fri Aug 30 00:05:04 2019
> >> New Revision: 351616
> >> URL: https://svnweb.freebsd.org/changeset/base/351616
> >>
> >> Log:
> >>Use mbuf queue instead of ifqueue in USB network drivers.
> > 
> > Hi Gleb,
> > 
> > This change broke NFS root on RPi. I suspect it's not just NFS root
> > but USB ethernet functionality in general. Patch below fixes it for me.
> > The same patch probably should also be applied to if_axe and if_axge.
> > 
> 
> Hi,
> 
> 1) axe and axge use the common code, so no patch needed there from what 
> I can see.
> 
> 2) This queue should be unlimited.
> 
> See:
> https://svnweb.freebsd.org/changeset/base/351692

Thanks for a quick fix. Can confirm that latest HEAD boots fine now with
NFS root.

-- 
gonzo
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Re: svn commit: r351616 - head/sys/dev/usb/net

2019-09-02 Thread Hans Petter Selasky

On 2019-09-02 02:29, Oleksandr Tymoshenko wrote:

Gleb Smirnoff (gleb...@freebsd.org) wrote:

Author: glebius
Date: Fri Aug 30 00:05:04 2019
New Revision: 351616
URL: https://svnweb.freebsd.org/changeset/base/351616

Log:
   Use mbuf queue instead of ifqueue in USB network drivers.


Hi Gleb,

This change broke NFS root on RPi. I suspect it's not just NFS root
but USB ethernet functionality in general. Patch below fixes it for me.
The same patch probably should also be applied to if_axe and if_axge.



Hi,

1) axe and axge use the common code, so no patch needed there from what 
I can see.


2) This queue should be unlimited.

See:
https://svnweb.freebsd.org/changeset/base/351692

--HPS
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Re: svn commit: r351616 - head/sys/dev/usb/net

2019-09-01 Thread Oleksandr Tymoshenko
Gleb Smirnoff (gleb...@freebsd.org) wrote:
> Author: glebius
> Date: Fri Aug 30 00:05:04 2019
> New Revision: 351616
> URL: https://svnweb.freebsd.org/changeset/base/351616
> 
> Log:
>   Use mbuf queue instead of ifqueue in USB network drivers.

Hi Gleb,

This change broke NFS root on RPi. I suspect it's not just NFS root
but USB ethernet functionality in general. Patch below fixes it for me.
The same patch probably should also be applied to if_axe and if_axge.

Index: sys/dev/usb/net/usb_ethernet.c
===
--- sys/dev/usb/net/usb_ethernet.c  (revision 351673)
+++ sys/dev/usb/net/usb_ethernet.c  (working copy)
@@ -219,6 +219,7 @@
ue->ue_unit = alloc_unr(ueunit);
usb_callout_init_mtx(>ue_watchdog, ue->ue_mtx, 0);
sysctl_ctx_init(>ue_sysctl_ctx);
+   mbufq_init(>ue_rxq, ifqmaxlen);
 
error = 0;
CURVNET_SET_QUIET(vnet0);
@@ -330,6 +331,9 @@
/* free sysctl */
sysctl_ctx_free(>ue_sysctl_ctx);
 
+   /* drain mbuf queue */
+   mbufq_drain(>ue_rxq);
+
/* free unit */
free_unr(ueunit, ue->ue_unit);
}
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