axe0: read PHY failed
Andrew Thompson
andy at fud.org.nz
Thu Jul 1 01:58:58 PDT 2004
Hi,
I have a Netgear FA120 (if_axe) which is causing me greif. After doing
moderate network traffic it will stop responding with oodles of "axe0: read
PHY failed" on the console. A cvsup triggers it quite reliably.
On further analysis I found that it will not send any ethernet frame where the
size % 64 == 0
For instance all of the following will timeout
ping -s 22 <host>
ping -s 86 <host>
ping -s 150 <host>
etc...
Comparing to the NetBSD driver, I added the USBD_FORCE_SHORT_XFER flag and now
it is working perfectly. Can someone please review the patch below and commit
if appropriate.
thanks,
Andrew
--- sys/dev/usb/if_axe.c Thu Jun 10 02:34:03 2004
+++ sys/dev/usb/if_axe.c Thu Jul 1 20:31:57 2004
@@ -808,7 +808,8 @@
c->axe_mbuf = m;
usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_TX],
- c, c->axe_buf, m->m_pkthdr.len, 0, 10000, axe_txeof);
+ c, c->axe_buf, m->m_pkthdr.len, USBD_FORCE_SHORT_XFER,
+ 10000, axe_txeof);
/* Transmit */
err = usbd_transfer(c->axe_xfer);
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