USB2: [was: umass not detected correctly,
axe not transmitting] AXE problems
Hiroharu Tamaru
tamaru at myn.rcast.u-tokyo.ac.jp
Wed Feb 11 20:38:07 PST 2009
At Thu, 12 Feb 2009 13:30:33 +0900, Pyun YongHyeon wrote:
> [1 <text/plain; us-ascii (7bit)>]
> On Thu, Feb 12, 2009 at 12:59:13PM +0900, Hiroharu Tamaru wrote:
> > I've just sent another message before reading this.
> >
> > At Thu, 12 Feb 2009 12:42:51 +0900, Pyun YongHyeon wrote:
> > > On Thu, Feb 12, 2009 at 11:37:23AM +0900, Pyun YongHyeon wrote:
> > > > On Thu, Feb 12, 2009 at 01:51:47AM +0900, Hiroharu Tamaru wrote:
> > > > >
> > > > > At Wed, 11 Feb 2009 16:57:36 +0100, Hans Petter Selasky wrote:
> > > > > > > > > ugen3.3: <ASIX Electronics> at usbus3
> > > > > > > > > axe0: <ASIX Electronics AX88178, rev 2.00/0.01, addr 3> on usbus3
> > > > > > > > > axe0: PHYADDR 0xe0:0x18
> > > > > > > > > miibus0: <MII bus> on axe0
> > > > > > > > > ciphy0: <Cicada VSC8211 10/100/1000TX PHY> PHY 24 on miibus0
> > > > > > > > > ciphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
> > > > > > > > > 1000baseT-FDX, auto ue0: <USB Ethernet> on axe0
> > > > > > > > > ue0: Ethernet address: 00:90:cc:xx:xx:xx
> > > > > > > > > ue0: link state changed to DOWN
> > > > > > > > > ue0: link state changed to UP
> > > > > > > > >
> > > > > >
> > > > > > > >
> > > > > > > > Turn on debugging:
> > > > > > > >
> > > > > > > > sysctl hw.usb2.axe.debug=15
> > > > > > > >
> > > > > > > > And repeat test.
> > > > > > >
> > > > > > > with hw.usb2.axe.debug=15, I have:
> > > > > > >
> > > > > > > ugen3.3: <ASIX Electronics> at usbus3 (disconnected)
> > > > > > > pid 3244 (dhclient), uid 65: exited on signal 11
> > > > > > > ugen3.3: <ASIX Electronics> at usbus3
> > > > > > > axe0: <ASIX Electronics AX88178, rev 2.00/0.01, addr 3> on usbus3
> > > > > > > axe0: PHYADDR 0xe0:0x18
> > > > > > > miibus0: <MII bus> on axe0
> > > > > > > ciphy0: <Cicada VSC8211 10/100/1000TX PHY> PHY 24 on miibus0
> > > > > > > ciphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
> > > > > > > 1000baseT-FDX, auto ue0: <USB Ethernet> on axe0
> > > > > > > ue0: Ethernet address: 00:90:cc:f7:bc:2e
> > > > > > > ue0: link state changed to DOWN
> > > > > > > ue0: link state changed to UP
> > > > > > >
> > > > > >
> > > > > > > The hardware is a PLANEX GU-1000T ethernet adapter.
> > > > > > >
> > > >
> > > >
> > > > I have the same USB controller and latest CURRENT works.
> > > >
> > > > axe0: <ASIX Electronics AX88178, rev 2.00/0.01, addr 4> on usbus1
> > > > axe0: PHYADDR 0xe0:0x18
> > > > miibus2: <MII bus> on axe0
> > > > ciphy0: <Cicada VSC8211 10/100/1000TX PHY> PHY 24 on miibus2
> > > > ciphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
> > > > ue0: <USB Ethernet> on axe0
> > > > ue0: Ethernet address: 00:90:cc:ef:b9:f6
> > > > ue0: link state changed to DOWN
> > > >
> > > > I manually loaded necessary kernel modules as my kernel does not
> > > > have any USB device entries. The only regression since I tried USB2
> > > > axe(4) was failure of symbol resolving of link_elf in
> > > > usb2_ethernet.ko module. Attached simple patch seems to fix that.
> > > >
> > > > To Hans,
> > > > I think MODULE_DEPEND should come first before any reference to
> > > > the module in usb2_ethernet.c. Since mii_phy_probe live in
> > > > miibus(4) I added it too.
> > > >
> > >
> > > Hans, I managed to track down Hiroharu's issue in axe(4). It seems
> > > Andrew removed link handling code that ensures correct state of
> > > established link in r188412.
> > > I believe we have to revert changes made in axe_cfg_mii_statchg()
> > > and axe_tick(). I have no idea what was happend in P4, you
> > > checked in the link handling code I submitted.
> >
> > Thanks for looking into this.
> >
> > So, can I just be waiting for a patch to test, or a CVS
> > revision of files to revert to?
> >
> > Meanwhile, I'll bring the userland to the latest current, as
> > I mentioned on the other mail.
> >
>
> Ok, try this one after installword. Attached one restores previous
> link handle code. Note, it was just compile tested.
Thanks, will do. Could take half a day or so building the world and
all on this host, though.
I'll be back with the results.
> > Hiroharu
> [2 usb2_ethernet.patch2 <text/plain; us-ascii (7bit)>]
> Index: sys/dev/usb2/ethernet/usb2_ethernet.c
> ===================================================================
> --- sys/dev/usb2/ethernet/usb2_ethernet.c (revision 188507)
> +++ sys/dev/usb2/ethernet/usb2_ethernet.c (working copy)
> @@ -43,6 +43,9 @@
> #define UE_UNLOCK(_ue) mtx_unlock((_ue)->ue_mtx)
> #define UE_LOCK_ASSERT(_ue, t) mtx_assert((_ue)->ue_mtx, t)
>
> +MODULE_DEPEND(usb2_ethernet, usb2_core, 1, 1, 1);
> +MODULE_DEPEND(usb2_ethernet, miibus, 1, 1, 1);
> +
> static struct unrhdr *ueunit;
>
> static usb2_proc_callback_t ue_attach_post_task;
> @@ -582,4 +585,3 @@
>
> DECLARE_MODULE(usb2_ethernet, usb2_ether_mod, SI_SUB_PSEUDO, SI_ORDER_ANY);
> MODULE_VERSION(usb2_ethernet, 1);
> -MODULE_DEPEND(usb2_ethernet, usb2_core, 1, 1, 1);
> Index: sys/dev/usb2/ethernet/if_axe2.c
> ===================================================================
> --- sys/dev/usb2/ethernet/if_axe2.c (revision 188507)
> +++ sys/dev/usb2/ethernet/if_axe2.c (working copy)
> @@ -341,6 +341,7 @@
> {
> struct axe_softc *sc = device_get_softc(dev);
> struct mii_data *mii = GET_MII(sc);
> + struct ifnet *ifp;
> uint16_t val;
> int err, locked;
>
> @@ -348,11 +349,40 @@
> if (!locked)
> AXE_LOCK(sc);
>
> - val = (mii->mii_media_active & IFM_GMASK) == IFM_FDX ?
> - AXE_MEDIA_FULL_DUPLEX : 0;
> + ifp = usb2_ether_getifp(&sc->sc_ue);
> + if (mii == NULL || ifp == NULL ||
> + (ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
> + goto done;
> +
> + sc->sc_flags &= ~AXE_FLAG_LINK;
> + if ((mii->mii_media_status & (IFM_ACTIVE | IFM_AVALID)) ==
> + (IFM_ACTIVE | IFM_AVALID)) {
> + switch (IFM_SUBTYPE(mii->mii_media_active)) {
> + case IFM_10_T:
> + case IFM_100_TX:
> + sc->sc_flags |= AXE_FLAG_LINK;
> + break;
> + case IFM_1000_T:
> + if ((sc->sc_flags & AXE_FLAG_178) == 0)
> + break;
> + sc->sc_flags |= AXE_FLAG_LINK;
> + break;
> + default:
> + break;
> + }
> + }
> +
> + /* Lost link, do nothing. */
> + if ((sc->sc_flags & AXE_FLAG_LINK) == 0)
> + goto done;
> +
> + val = 0;
> + if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0)
> + val |= AXE_MEDIA_FULL_DUPLEX;
> if (sc->sc_flags & (AXE_FLAG_178 | AXE_FLAG_772)) {
> val |= AXE_178_MEDIA_RX_EN | AXE_178_MEDIA_MAGIC;
> -
> + if ((sc->sc_flags & AXE_FLAG_178) != 0)
> + val |= AXE_178_MEDIA_ENCK;
> switch (IFM_SUBTYPE(mii->mii_media_active)) {
> case IFM_1000_T:
> val |= AXE_178_MEDIA_GMII | AXE_178_MEDIA_ENCK;
> @@ -368,7 +398,7 @@
> err = axe_cmd(sc, AXE_CMD_WRITE_MEDIA, 0, val, NULL);
> if (err)
> device_printf(dev, "media change failed, error %d\n", err);
> -
> +done:
> if (!locked)
> AXE_UNLOCK(sc);
> }
> @@ -381,18 +411,18 @@
> {
> struct axe_softc *sc = ifp->if_softc;
> struct mii_data *mii = GET_MII(sc);
> + int error;
>
> AXE_LOCK_ASSERT(sc, MA_OWNED);
>
> - sc->sc_flags &= ~AXE_FLAG_LINK;
> if (mii->mii_instance) {
> struct mii_softc *miisc;
>
> LIST_FOREACH(miisc, &mii->mii_phys, mii_list)
> mii_phy_reset(miisc);
> }
> - mii_mediachg(mii);
> - return (0);
> + error = mii_mediachg(mii);
> + return (error);
> }
>
> /*
> @@ -915,11 +945,10 @@
> AXE_LOCK_ASSERT(sc, MA_OWNED);
>
> mii_tick(mii);
> - if ((sc->sc_flags & AXE_FLAG_LINK) == 0
> - && mii->mii_media_status & IFM_ACTIVE &&
> - IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
> - sc->sc_flags |= AXE_FLAG_LINK;
> - axe_start(ue);
> + if ((sc->sc_flags & AXE_FLAG_LINK) == 0) {
> + axe_miibus_statchg(ue->ue_dev);
> + if ((sc->sc_flags & AXE_FLAG_LINK) != 0)
> + axe_start(ue);
> }
> }
>
Hiroharu
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