Date: Wed, 2 Apr 2014 11:08:03 +0900 From: Yonghyeon PYUN <pyunyh@gmail.com> To: Chris H <bsd-lists@bsdforge.com> Cc: freebsd-net <freebsd-net@freebsd.org>, freebsd-stable <freebsd-stable@freebsd.org>, Ian Lepore <ian@freebsd.org> Subject: Re: miibus0: mii_mediachg: can't handle non-zero PHY instance 31 Message-ID: <20140402020803.GB2938@michelle.cdnetworks.com> In-Reply-To: <3f97f5646629043fed5e34a77c9c2f3d.authenticated@ultimatedns.net> References: <2598eeb4c68e23df0789e5e3e8f46d76.authenticated@ultimatedns.net> <20140331050002.GC1359@michelle.cdnetworks.com> <c0a800d2a15f205788ed9ce606c00637.authenticated@ultimatedns.net> <20140401065842.GA1364@michelle.cdnetworks.com> <c73ef96319846b3da07db5785f48fb6a.authenticated@ultimatedns.net> <1396384167.81853.210.camel@revolution.hippie.lan> <41917a9e67d0f4519df4b55f3aa6ebe3.authenticated@ultimatedns.net> <20140402003912.GA2938@michelle.cdnetworks.com> <3f97f5646629043fed5e34a77c9c2f3d.authenticated@ultimatedns.net>
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[-- Attachment #1 --]
On Tue, Apr 01, 2014 at 05:53:51PM -0700, Chris H wrote:
> > On Tue, Apr 01, 2014 at 01:40:58PM -0700, Chris H wrote:
> >> > On Tue, 2014-04-01 at 13:19 -0700, Chris H wrote:
> >> >> [...]
> >> >> miibus0: <MII bus> on nfe0
> >> >> rlphy0: <RTL8201L 10/100 media interface> PHY 0 on miibus0
> >> >> rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto, auto-flow
> >> >> rlphy1: <RTL8201L 10/100 media interface> PHY 1 on miibus0
> >> > [...]---big-snip--8<---
> >> >> miibus0: mii_mediachg: can't handle non-zero PHY instance 1
> >> >>
> >> >> As you can see, it looks much the same. I have no idea what
> >> >> I should do to better inform the driver/kernel how to better
> >> >> handle it. Or is it the driver, itself?
> >> >>
> >> >> Thank you again, for your thoughtful response.
> >> >>
> >> >> --Chris
> >> >>
> >> >
> >> > I think the way to fix a phy that responds at all addresses is to set a
> >> > hint in loader.conf masking out the ones that aren't real, like so:
> >> >
> >> > hint.miibus.0.phymask="1"
> >> >
> >> > You might be able to set ="0x00000001" to make it more clear it's a
> >> > bitmask, but I'm not sure of that.
> >>
> >> Thank you very much for the hint. I'll give it a shot.
> >> Any idea why this is happening? I have 4 other MB's using the Nvidia
> >> chipset, and the nfe(4) driver. But they don't respond this way.
> >>
> >
> > If some nfe(4) variants badly behave in probing stage, this should
> > be handled by driver. We already have too many hints and tunables
> > and I don't think most users know that. In addition, adding
> > additional NIC may change miibus instance number.
> >
> > Could you show me the output of 'kenv | grep smbios'?
> Yes, of course.
>
> Here it is:
>
> smbios.bios.reldate="11/22/2010"
> smbios.bios.vendor="American Megatrends Inc."
> smbios.bios.version="V2.7"
> smbios.chassis.maker="MSI"
> smbios.chassis.serial="To Be Filled By O.E.M."
> smbios.chassis.tag="To Be Filled By O.E.M."
> smbios.chassis.version="2.0"
> smbios.memory.enabled="2097152"
> smbios.planar.maker="MSI"
> smbios.planar.product="K9N6PGM2-V2 (MS-7309)"
> smbios.planar.serial="To be filled by O.E.M."
> smbios.planar.version="2.0"
> smbios.socket.enabled="1"
> smbios.socket.populated="1"
> smbios.system.maker="MSI"
> smbios.system.product="MS-7309"
> smbios.system.serial="To Be Filled By O.E.M."
> smbios.system.uuid="00000000-0000-0000-0000-406186cd4497"
> smbios.system.version="2.0"
> smbios.version="2.6"
>
> Hope this helps, and thank you for all your time, and trouble.
>
Thanks for the info. Try attached patch and let me know how it
works. Make sure to remove the hint(hint.miibus.0.phymask="1")
set in loader.conf before testing it.
> --Chris
>
> >
>
[-- Attachment #2 --]
Index: sys/dev/nfe/if_nfe.c
===================================================================
--- sys/dev/nfe/if_nfe.c (revision 264031)
+++ sys/dev/nfe/if_nfe.c (working copy)
@@ -79,6 +79,7 @@ static int nfe_suspend(device_t);
static int nfe_resume(device_t);
static int nfe_shutdown(device_t);
static int nfe_can_use_msix(struct nfe_softc *);
+static int nfe_detect_msik9(struct nfe_softc *);
static void nfe_power(struct nfe_softc *);
static int nfe_miibus_readreg(device_t, int, int);
static int nfe_miibus_writereg(device_t, int, int, int);
@@ -334,13 +335,38 @@ nfe_alloc_msix(struct nfe_softc *sc, int count)
}
}
+
static int
+nfe_detect_msik9(struct nfe_softc *sc)
+{
+ static char *maker = "MSI";
+ static char *product = "K9N6PGM2-V2 (MS-7309)";
+ char *m, *p;
+ int found;
+
+ found = 0;
+ m = getenv("smbios.planar.maker");
+ p = getenv("smbios.planar.product");
+ if (m != NULL && p != NULL) {
+ if (strcmp(m, maker) == 0 && strcmp(p, product) == 0)
+ found = 1;
+ }
+ if (m != NULL)
+ freeenv(m);
+ if (p != NULL)
+ freeenv(p);
+
+ return (found);
+}
+
+
+static int
nfe_attach(device_t dev)
{
struct nfe_softc *sc;
struct ifnet *ifp;
bus_addr_t dma_addr_max;
- int error = 0, i, msic, reg, rid;
+ int error = 0, i, msic, phyloc, reg, rid;
sc = device_get_softc(dev);
sc->nfe_dev = dev;
@@ -608,8 +634,13 @@ nfe_attach(device_t dev)
#endif
/* Do MII setup */
+ phyloc = MII_PHY_ANY;
+ if (sc->nfe_devid == PCI_PRODUCT_NVIDIA_MCP61_LAN1) {
+ if (nfe_detect_msik9(sc) != 0)
+ phyloc = 0;
+ }
error = mii_attach(dev, &sc->nfe_miibus, ifp, nfe_ifmedia_upd,
- nfe_ifmedia_sts, BMSR_DEFCAPMASK, MII_PHY_ANY, MII_OFFSET_ANY,
+ nfe_ifmedia_sts, BMSR_DEFCAPMASK, phyloc, MII_OFFSET_ANY,
MIIF_DOPAUSE);
if (error != 0) {
device_printf(dev, "attaching PHYs failed\n");
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