svn commit: r216284 - head/sys/dev/usb/net
Pyun YongHyeon
pyunyh at gmail.com
Wed Dec 8 18:30:04 UTC 2010
On Wed, Dec 08, 2010 at 08:26:50AM +0100, Hans Petter Selasky wrote:
> On Wednesday 08 December 2010 02:24:05 Pyun YongHyeon wrote:
> > - if (m->m_pkthdr.len > MCLBYTES) {
> > - m->m_pkthdr.len = MCLBYTES;
> > - }
>
> You are sure that no packets passed to this code is bigger than MCLBYTES minus
> overhead by AXE protocol ? Even if MTU is changed by ifconfig?
>
Yes and Yes.
axe(4) uses uether_ioctl which in turn calls default ether_ioctl.
Users have no way to use jumbo frame on axe(4) since ether_ioctl
does not allow it. Actually axe(4) supports jumbo frame but I don't
think it's worth to implement it due to many limitation of USB
ethernet controller.
> --HPS
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