RE: [PATCH net-next 0/3] net: stmmac: Convert to phylink

[Jose Abreu]

From: Ondřej Jirman <megi@xxxxxx>
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 <jpinto@xxxxxxxxxxxx>
> > Cc: David S. Miller <davem@xxxxxxxxxxxxx>
> > Cc: Giuseppe Cavallaro <peppe.cavallaro@xxxxxx>
> > Cc: Alexandre Torgue <alexandre.torgue@xxxxxx>
> > Cc: Russell King <linux@xxxxxxxxxxxxxxx>
> > Cc: Andrew Lunn <andrew@xxxxxxx>
> > Cc: Florian Fainelli <f.fainelli@xxxxxxxxx>
> > Cc: Heiner Kallweit <hkallweit1@xxxxxxxxx>
> > 
> > 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