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Date:      Tue, 13 Mar 2007 06:29:25 +0100
From:      Rainer Hurling <rhurlin@gwdg.de>
To:        pyunyh@gmail.com
Cc:        darren780@yahoo.com, freebsd-current@freebsd.org
Subject:   Re: yongari nfe problems
Message-ID:  <45F636B5.9060608@gwdg.de>
In-Reply-To: <20070313005845.GB87608@cdnetworks.co.kr>
References:  <20070310074734.GC70613@cdnetworks.co.kr> <917080.87242.qm@web34701.mail.mud.yahoo.com> <20070311050627.GC79728@cdnetworks.co.kr> <45F3B94B.3030104@gwdg.de> <20070312045116.GA83433@cdnetworks.co.kr> <45F5C914.3000805@gwdg.de> <20070313004601.GA87608@cdnetworks.co.kr> <20070313005845.GB87608@cdnetworks.co.kr>

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Over night my systems works well, only one message from network came up:

nfe0: watchdog timeout (missed Tx interrupts) -- recovering
nfe0: watchdog timeout (missed Tx interrupts) -- recovering

In the morning I tried your patch for mii and PHY. Bootingverbose again 
gives me:

nfe0: <NVIDIA nForce MCP55 Networking Adapter> port 0xb000-0xb007 mem
0xfbef3000-0xfbef3fff,0xfbefa800-0xfbefa8ff,0
xfbefa400-0xfbefa40f irq 22 at device 8.0 on pci0
nfe0: Reserved 0x1000 bytes for rid 0x10 type 3 at 0xfbef3000
nfe0: bpf attached
nfe0: Ethernet address: 00:16:17:95:d9:7c
miibus0: <MII bus> on nfe0
ciphy0: <VSC8601 10/100/1000TX PHY> PHY 1 on miibus0
ciphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
1000baseT-FDX, auto
nfe0: [MPSAFE]
nfe0: [FILTER]


First, all seems to be ok. Network was up and connected. After a minute 
I lost connection and the following messages appeared:

miibus0: unknown CICADA PHY model 2
miibus0: unknown CICADA PHY model 2
miibus0: unknown CICADA PHY model 2
nfe0: watchdog timeout (missed Tx interrupts) -- recovering
nfe0: watchdog timeout (missed Tx interrupts) -- recovering
nfe0: watchdog timeout (missed Tx interrupts) -- recovering
nfe0: watchdog timeout (missed Tx interrupts) -- recovering
...


Probably a little more work on the patches is needed?

I am offline for the next ten hours. After that I could test any new 
version ;-)

Thank you very much,
Rainer


Pyun YongHyeon schrieb:
> On Tue, Mar 13, 2007 at 09:46:01AM +0900, To Rainer Hurling wrote:
>  > On Mon, Mar 12, 2007 at 10:41:40PM +0100, Rainer Hurling wrote:
>  >  > Pyun YongHyeon, thank you for reply.
>  >  > 
>  >  > Sorry for the late answer, but I have been on business trip.
>  >  > 
>  >  > Pyun YongHyeon schrieb:
>  >  > >On Sun, Mar 11, 2007 at 09:09:47AM +0100, Rainer Hurling wrote:
>  >  > > > Pyun YongHyeon schrieb:
>  >  > > > >[... SNIP ...] 
>  >  > > > >
>  >  > > > >Did stock nfe(4) work on MCP55?
>  >  > > > >(I'm not interested in how nve(4) works on MCP55.)
>  >  > > > >I'm afraid MCP55 requires different programming. Searching archives
>  >  > > > >for Linux forcedeth driver also reveals issues on MCP55 which is
>  >  > > > >exactly the same issue I think.
>  >  > > > >I'll let you know if I find a clue but it's hard to fix due to lack
>  >  > > > >of MCP55 hardware and documentation.
>  >  > > > 
>  >  > > > 
>  >  > > > Yes, nfe(4) works on MCP55, but with some strange behaviour, see below.
>  >  > > > 
>  >  > > > I am working with FreeBSD 7.0-CURRENT from 03/07/2007 on MSI K9N Neo. 
>  >  > > > 'dmesg | grep nfe' gives me:
>  >  > > > 
>  >  > > > nfe0: <NVIDIA nForce MCP55 Networking Adapter> port 0xb000-0xb007 mem
>  >  > > > 0xfbef7000-0xfbef7fff,0xfbefa800-0xfbefa8ff,0xfbefa400-0xfbefa40f irq 21
>  >  > > > at device 8.0 on pci0
>  >  > > > miibus0: <MII bus> on nfe0
>  >  > > > ukphy0: <Generic IEEE 802.3u media interface> PHY 1 on miibus0
>  >  > > > ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
>  >  > > > 1000baseT-FDX, auto
>  >  > > > nfe0: using obsoleted if_watchdog interface
>  >  > > > nfe0: Ethernet address: xx:xx:xx:xx:xx:xx
>  >  > > > nfe0: [ITHREAD]
>  >  > > > 
>  >  > > > It seems that there is a problem with watchdog. Perhaps the choosen 
>  >  > > > media interface ukphy0 is not correct?
>  >  > > > 
>  >  > >
>  >  > >Normally nVidia GigEs use Marvell PHY which is served by e1000phy(4)
>  >  > >so I guess power saving mode had ukphy attach the PHY.
>  >  > >Booting/loading module with bootverbose mode will show up OUI/model/rev
>  >  > >of the PHY. Please let me know the OUI/model/rev output of ukphy(4).
>  >  > 
>  >  > for ukphy0 bootverbose gives me :
>  >  > 
>  >  > OUI 0x0001c1  model 0x0002  rev. 0
>  >  > 
>  > 
>  > Hmm, it's gigabit PHY from Vitesse semiconductor.
>  > AFAIK there is no driver for the PHY but I guess ciphy(4) would be a
>  > possible driver for the PHY. I've checked Vitesse site for the PHY
>  > documentation but it seems they require a kind of NDA and it's not
>  > available option to me.
>  > 
>  > Please try attached patch and rebuild miibus(4) and give it a spin.
>  > 
> 
> Oops, please use this patch.
> 
> 
> 
> ------------------------------------------------------------------------
> 
> Index: miidevs
> ===================================================================
> RCS file: /home/ncvs/src/sys/dev/mii/miidevs,v
> retrieving revision 1.41
> diff -u -r1.41 miidevs
> --- miidevs	21 Feb 2007 18:17:44 -0000	1.41
> +++ miidevs	13 Mar 2007 00:53:47 -0000
> @@ -66,6 +66,7 @@
>  oui SIS				0x00e006	Silicon Integrated Systems
>  oui TDK				0x00c039	TDK
>  oui TI				0x080028	Texas Instruments
> +oui VITESSE			0x0001c1	Vitesse Semiconductor
>  oui XAQTI			0x00e0ae	XaQti Corp.
>  oui MARVELL			0x005043	Marvell Semiconductor
>  oui xxMARVELL			0x000ac2	Marvell Semiconductor
> @@ -135,6 +136,7 @@
>  
>  /* Cicada Semiconductor PHYs (now owned by Vitesse?) */
>  model CICADA CS8201		0x0001 Cicada CS8201 10/100/1000TX PHY
> +model VITESSE VSC8601		0x0002 VSC8601 10/100/1000TX PHY
>  model CICADA CS8201A		0x0020 Cicada CS8201 10/100/1000TX PHY
>  model CICADA CS8201B		0x0021 Cicada CS8201 10/100/1000TX PHY
>  
> Index: ciphy.c
> ===================================================================
> RCS file: /home/ncvs/src/sys/dev/mii/ciphy.c,v
> retrieving revision 1.8
> diff -u -r1.8 ciphy.c
> --- ciphy.c	2 Dec 2006 19:36:25 -0000	1.8
> +++ ciphy.c	13 Mar 2007 00:53:47 -0000
> @@ -91,6 +91,7 @@
>  	MII_PHY_DESC(CICADA, CS8201),
>  	MII_PHY_DESC(CICADA, CS8201A),
>  	MII_PHY_DESC(CICADA, CS8201B),
> +	MII_PHY_DESC(VITESSE, VSC8601),
>  	MII_PHY_END
>  };
>  
> @@ -339,7 +340,24 @@
>  static void
>  ciphy_reset(struct mii_softc *sc)
>  {
> +	struct mii_data *mii;
> +	uint16_t val;
>  
> +	mii = sc->mii_pdata;
> +	if (strcmp(mii->mii_ifp->if_dname, "nfe") == 0) {
> +		/* need to set for 2.5V RGMII for NVIDIA adapters */
> +		val = PHY_READ(sc, CIPHY_MII_ECTL1);
> +		val &= ~(CIPHY_ECTL1_IOVOL | CIPHY_ECTL1_INTSEL);
> +		val |= (CIPHY_IOVOL_2500MV | CIPHY_INTSEL_RGMII);
> +		PHY_WRITE(sc, CIPHY_MII_ECTL1, val);
> +		/* From Linux. */
> +		val = PHY_READ(sc, CIPHY_MII_AUXCSR);
> +		val |= CIPHY_AUXCSR_MDPPS;
> +		PHY_WRITE(sc, CIPHY_MII_AUXCSR, val);
> +		val = PHY_READ(sc, CIPHY_MII_10BTCSR);
> +		val |= CIPHY_10BTCSR_ECHO;
> +		PHY_WRITE(sc, CIPHY_MII_10BTCSR, val);
> +	}
>  	mii_phy_reset(sc);
>  	DELAY(1000);
>  }
> Index: ciphyreg.h
> ===================================================================
> RCS file: /home/ncvs/src/sys/dev/mii/ciphyreg.h,v
> retrieving revision 1.2
> diff -u -r1.2 ciphyreg.h
> --- ciphyreg.h	6 Jan 2005 01:42:55 -0000	1.2
> +++ ciphyreg.h	13 Mar 2007 00:53:47 -0000
> @@ -251,6 +251,16 @@
>  /* Extended PHY control register #1 */
>  #define CIPHY_MII_ECTL1		0x17
>  #define CIPHY_ECTL1_ACTIPHY	0x0020	/* Enable ActiPHY power saving */
> +#define CIPHY_ECTL1_IOVOL	0x0e00	/* MAC interface and I/O voltage select */
> +#define CIPHY_ECTL1_INTSEL	0xf000	/* select MAC interface */
> +
> +#define CIPHY_IOVOL_3300MV	0x0000	/* 3.3V for I/O pins */
> +#define CIPHY_IOVOL_2500MV	0x0200	/* 2.5V for I/O pins */
> +
> +#define CIPHY_INTSEL_GMII	0x0000	/* GMII/MII */
> +#define CIPHY_INTSEL_RGMII	0x1000
> +#define CIPHY_INTSEL_TBI	0x2000
> +#define CIPHY_INTSEL_RTBI	0x3000
>  
>  /* Extended PHY control register #2 */
>  #define CIPHY_MII_ECTL2		0x18




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