From: Ondřej Jirman <m...@xff.cz>
Date: Jul/22/2019, 13:42:40 (UTC+00:00)

> Hello Jose,
> 
> On Tue, Jun 11, 2019 at 05:18:44PM +0200, Jose Abreu wrote:
> > [ Hope this diff looks better (generated with --minimal) ]
> > 
> > This converts stmmac to use phylink. Besides the code redution this will
> > allow to gain more flexibility.
> 
> I'm testing 5.3-rc1 and on Orange Pi 3 (uses stmmac-sun8i.c glue) compared to
> 5.2 it fails to detect 1000Mbps link and the driver negotiates just a 10Mbps 
> speed.
> 
> After going through stmmac patches since 5.2, I think it may be realted to 
> this
> series, but I'm not completely sure. You'll probably have a better 
> understanding
> of the changes. Do you have an idea what might be wrong? Please, see some logs
> below.

Probably due to:
5b0d7d7da64b ("net: stmmac: Add the missing speeds that XGMAC supports")

Can you try attached patch ?


> 
> thank you and regards,
>       Ondrej
> 
> On 5.3-rc1 I see:
> 
> [    6.116512] dwmac-sun8i 5020000.ethernet eth0: PHY [stmmac-0:01] driver 
> [RTL8211E Gigabit Ethernet]
> [    6.116522] dwmac-sun8i 5020000.ethernet eth0: phy: setting supported 
> 00,00000000,000062cf advertising 00,00000000,000062cf
> [    6.118714] dwmac-sun8i 5020000.ethernet eth0: No Safety Features support 
> found
> [    6.118725] dwmac-sun8i 5020000.ethernet eth0: No MAC Management Counters 
> available
> [    6.118730] dwmac-sun8i 5020000.ethernet eth0: PTP not supported by HW
> [    6.118738] dwmac-sun8i 5020000.ethernet eth0: configuring for phy/rgmii 
> link mode
> [    6.118747] dwmac-sun8i 5020000.ethernet eth0: phylink_mac_config: 
> mode=phy/rgmii/Unknown/Unknown adv=00,00000000,000062cf pause=10 link=0 an=1
> [    6.126099] dwmac-sun8i 5020000.ethernet eth0: phy link down 
> rgmii/Unknown/Unknown
> [    6.276325] random: crng init done
> [    6.276338] random: 7 urandom warning(s) missed due to ratelimiting
> [    7.543987] zram0: detected capacity change from 0 to 402653184
> [    7.667702] Adding 393212k swap on /dev/zram0.  Priority:10 extents:1 
> across:393212k SS
> 
> ... delay due to other causes ...
> 
> [   28.640234] dwmac-sun8i 5020000.ethernet eth0: phy link up 
> rgmii/10Mbps/Full
> [   28.640295] dwmac-sun8i 5020000.ethernet eth0: phylink_mac_config: 
> mode=phy/rgmii/10Mbps/Full adv=00,00000000,00000000 pause=0f link=1 an=0
> [   28.640324] dwmac-sun8i 5020000.ethernet eth0: Link is Up - 10Mbps/Full - 
> flow control rx/tx
> 
> Settings for eth0:
>       Supported ports: [ TP MII ]
>       Supported link modes:   10baseT/Half 10baseT/Full 
>                               100baseT/Half 100baseT/Full 
>       Supported pause frame use: Symmetric Receive-only
>       Supports auto-negotiation: Yes
>       Supported FEC modes: Not reported
>       Advertised link modes:  10baseT/Half 10baseT/Full 
>                               100baseT/Half 100baseT/Full 
>       Advertised pause frame use: Symmetric Receive-only
>       Advertised auto-negotiation: Yes
>       Advertised FEC modes: Not reported
>       Link partner advertised link modes:  10baseT/Half 10baseT/Full 
>       Link partner advertised pause frame use: Symmetric Receive-only
>       Link partner advertised auto-negotiation: Yes
>       Link partner advertised FEC modes: Not reported
>       Speed: 10Mb/s
>       Duplex: Full
>       Port: MII
>       PHYAD: 1
>       Transceiver: internal
>       Auto-negotiation: on
>       Supports Wake-on: d
>       Wake-on: d
>       Current message level: 0x0000003f (63)
>                              drv probe link timer ifdown ifup
>       Link detected: yes
> 
> On 5.2 it looks like this:
> 
> [    1.153596] dwmac-sun8i 5020000.ethernet: PTP uses main clock
> [    1.416221] dwmac-sun8i 5020000.ethernet: PTP uses main clock
> [    1.522735] dwmac-sun8i 5020000.ethernet: Current syscon value is not the 
> default 58000 (expect 50000)
> [    1.522750] dwmac-sun8i 5020000.ethernet: No HW DMA feature register 
> supported
> [    1.522753] dwmac-sun8i 5020000.ethernet: RX Checksum Offload Engine 
> supported
> [    1.522755] dwmac-sun8i 5020000.ethernet: COE Type 2
> [    1.522758] dwmac-sun8i 5020000.ethernet: TX Checksum insertion supported
> [    1.522761] dwmac-sun8i 5020000.ethernet: Normal descriptors
> [    1.522763] dwmac-sun8i 5020000.ethernet: Chain mode enabled
> [    5.352833] dwmac-sun8i 5020000.ethernet eth0: No Safety Features support 
> found
> [    5.352842] dwmac-sun8i 5020000.ethernet eth0: No MAC Management Counters 
> available
> [    5.352846] dwmac-sun8i 5020000.ethernet eth0: PTP not supported by HW
> [   10.463072] dwmac-sun8i 5020000.ethernet eth0: Link is Up - 1Gbps/Full - 
> flow control off
> 
> Settings for eth0:
>       Supported ports: [ TP MII ]
>       Supported link modes:   10baseT/Half 10baseT/Full
>                               100baseT/Half 100baseT/Full
>                               1000baseT/Half 1000baseT/Full
>       Supported pause frame use: Symmetric Receive-only
>       Supports auto-negotiation: Yes
>       Supported FEC modes: Not reported
>       Advertised link modes:  10baseT/Half 10baseT/Full
>                               100baseT/Half 100baseT/Full
>                               1000baseT/Half 1000baseT/Full
>       Advertised pause frame use: No
>       Advertised auto-negotiation: Yes
>       Advertised FEC modes: Not reported
>       Link partner advertised link modes:  10baseT/Half 10baseT/Full
>                                            100baseT/Half 100baseT/Full
>                                            1000baseT/Full
>       Link partner advertised pause frame use: Symmetric Receive-only
>       Link partner advertised auto-negotiation: Yes
>       Link partner advertised FEC modes: Not reported
>       Speed: 1000Mb/s
>       Duplex: Full
>       Port: MII
>       PHYAD: 1
>       Transceiver: internal
>       Auto-negotiation: on
>       Supports Wake-on: d
>       Wake-on: d
>       Current message level: 0x0000003f (63)
>                              drv probe link timer ifdown ifup
>       Link detected: yes
> 
> 
> > Cc: Joao Pinto <jpi...@synopsys.com>
> > Cc: David S. Miller <da...@davemloft.net>
> > Cc: Giuseppe Cavallaro <peppe.cavall...@st.com>
> > Cc: Alexandre Torgue <alexandre.tor...@st.com>
> > Cc: Russell King <li...@armlinux.org.uk>
> > Cc: Andrew Lunn <and...@lunn.ch>
> > Cc: Florian Fainelli <f.faine...@gmail.com>
> > Cc: Heiner Kallweit <hkallwe...@gmail.com>
> > 
> > Jose Abreu (3):
> >   net: stmmac: Prepare to convert to phylink
> >   net: stmmac: Start adding phylink support
> >   net: stmmac: Convert to phylink and remove phylib logic
> > 
> >  drivers/net/ethernet/stmicro/stmmac/Kconfig   |   3 +-
> >  drivers/net/ethernet/stmicro/stmmac/stmmac.h  |   7 +-
> >  .../ethernet/stmicro/stmmac/stmmac_ethtool.c  |  81 +---
> >  .../net/ethernet/stmicro/stmmac/stmmac_main.c | 391 ++++++++----------
> >  .../ethernet/stmicro/stmmac/stmmac_platform.c |  21 +-
> >  5 files changed, 190 insertions(+), 313 deletions(-)
> > 
> > -- 
> > 2.21.0
> > 


---
Thanks,
Jose Miguel Abreu

Attachment: 0001-net-stmmac-Do-not-cut-down-1G-modes.patch
Description: 0001-net-stmmac-Do-not-cut-down-1G-modes.patch

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