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Date: Fri, 10 Jun 2022 03:37:32 +0000
From: "Ong, Boon Leong" <boon.leong.ong@...el.com>
To: Alexandre Torgue <alexandre.torgue@...s.st.com>,
Jose Abreu <Jose.Abreu@...opsys.com>,
Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>,
Paolo Abeni <pabeni@...hat.com>,
"David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Vladimir Oltean <olteanv@...il.com>,
Vivien Didelot <vivien.didelot@...il.com>,
"Florian Fainelli" <f.fainelli@...il.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Giuseppe Cavallaro <peppe.cavallaro@...com>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"linux-stm32@...md-mailman.stormreply.com"
<linux-stm32@...md-mailman.stormreply.com>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"Riva, Emilio" <emilio.riva@...csson.com>
Subject: RE: [PATCH net-next v2 0/7] pcs-xpcs, stmmac: add 1000BASE-X AN for
network switch
My bad in missing the 1/7 patch. Please ignore these series. I will be sending v3.
>-----Original Message-----
>From: Ong, Boon Leong <boon.leong.ong@...el.com>
>Sent: Friday, June 10, 2022 11:30 AM
>To: Alexandre Torgue <alexandre.torgue@...s.st.com>; Jose Abreu
><Jose.Abreu@...opsys.com>; Andrew Lunn <andrew@...n.ch>; Heiner
>Kallweit <hkallweit1@...il.com>; Russell King <linux@...linux.org.uk>; Paolo
>Abeni <pabeni@...hat.com>; David S . Miller <davem@...emloft.net>; Eric
>Dumazet <edumazet@...gle.com>; Jakub Kicinski <kuba@...nel.org>;
>Vladimir Oltean <olteanv@...il.com>; Vivien Didelot
><vivien.didelot@...il.com>; Florian Fainelli <f.fainelli@...il.com>; Maxime
>Coquelin <mcoquelin.stm32@...il.com>; Giuseppe Cavallaro
><peppe.cavallaro@...com>
>Cc: netdev@...r.kernel.org; linux-stm32@...md-mailman.stormreply.com;
>linux-arm-kernel@...ts.infradead.org; linux-kernel@...r.kernel.org; Riva,
>Emilio <emilio.riva@...csson.com>; Ong, Boon Leong
><boon.leong.ong@...el.com>
>Subject: [PATCH net-next v2 0/7] pcs-xpcs, stmmac: add 1000BASE-X AN for
>network switch
>
>Hi,
>
>Thanks Russell King [1] and Andrew Lunn [2] for v1 review and suggestion.
>Since then, I have worked on refactoring the implementation as follow:
>
>v2 changes:
>1/7 - [New] Update xpcs_do_config to accept advertising input
>2/7 - [New] Fix to compilation issue introduced v1. Update xpcs_do_config
> for sja1105.
>3/7 - Same as 3/4 of v1 series.
>4/7 - [Fix] Fix numerous issues identified by Russell King [1].
>5/7 - [New] Make fixed-link setting takes precedence over ovr_an_inband.
> This is a fix to a bug introduced earlier. Separate patch
> will be sent later.
>6/7 - [New] Allow phy-mode ACPI _DSD setting for dwmac-intel to overwrite
> the phy_interface detected through PCI DevID.
>7/7 - [New] Make mdio register flow to skip PHY scanning if fixed-link
> is specified.
>
>I have tested the patch-series on a 3-port SGMII Ethernet on Elkhart Lake
>customer platform and PSE GbE1 (0000:00:1d.2) is setup for fixed-link
>with below ACPI _DSD modification based on [3]:-
>
> Device (OTN1)
> {
> <snippet-remove>
>
> Name (_DSD, Package () {
> ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
> Package () {
> Package () {"phy-mode", "1000base-x"},
> },
> ToUUID("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
> Package () {
> Package () {"fixed-link", "LNK0"}
> }
> })
>
> Name (LNK0, Package(){ // Data-only subnode of port
> ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
> Package () {
> Package () {"speed", 1000},
> Package () {"full-duplex", 1}
> }
> })
> }
>
>The modified ACPI DSDT table is inserted into OS based on [4] for
>testing purpose. This method will not be required if respective BIOS has
>the matching ACPI _DSD changes. In gist, we avoid the need to add board
>specific DMI based configuration to Linux driver and let ACPI DSDT table
>customized according to hardware/port configuration design to decide how
>the driver is loaded up per port-basis.
>
>>From dmesg below (whereby non-relevant section removed), we can see that:-
>
>[ 4.112037] intel-eth-pci 0000:00:1d.1 eno1: configuring for inband/sgmii
>link mode
>[ 4.132016] intel-eth-pci 0000:00:1d.2 eno2: configuring for
>fixed/1000base-x link mode
>[ 4.162069] intel-eth-pci 0000:00:1e.4 eno3: configuring for inband/sgmii
>link mode
>
>----------------------------------------------------------------------------------------------------------
>-
>[ 1.471347] intel-eth-pci 0000:00:1d.1: stmmac_config_multi_msi: multi MSI
>enablement successful
>[ 1.471518] intel-eth-pci 0000:00:1d.1: User ID: 0x51, Synopsys ID: 0x52
>[ 1.471525] intel-eth-pci 0000:00:1d.1: DWMAC4/5
>[ 1.471531] intel-eth-pci 0000:00:1d.1: DMA HW capability register
>supported
>[ 1.471533] intel-eth-pci 0000:00:1d.1: RX Checksum Offload Engine
>supported
>[ 1.471535] intel-eth-pci 0000:00:1d.1: TX Checksum insertion supported
>[ 1.471536] intel-eth-pci 0000:00:1d.1: TSO supported
>[ 1.471537] intel-eth-pci 0000:00:1d.1: Enable RX Mitigation via HW
>Watchdog Timer
>[ 1.471542] intel-eth-pci 0000:00:1d.1: device MAC address
>a8:a1:59:9d:2b:64
>[ 1.471545] intel-eth-pci 0000:00:1d.1: Enabled L3L4 Flow TC (entries=2)
>[ 1.471547] intel-eth-pci 0000:00:1d.1: Enabled RFS Flow TC (entries=10)
>[ 1.471552] intel-eth-pci 0000:00:1d.1: Enabling HW TC (entries=256,
>max_off=256)
>[ 1.471555] intel-eth-pci 0000:00:1d.1: TSO feature enabled
>[ 1.471556] intel-eth-pci 0000:00:1d.1: Using 32 bits DMA width
>[ 1.471770] mdio_bus stmmac-2: GPIO lookup for consumer reset
>[ 1.471774] mdio_bus stmmac-2: using lookup tables for GPIO lookup
>[ 1.471777] mdio_bus stmmac-2: No GPIO consumer reset found
>[ 1.481872] mdio_bus stmmac-2:01: GPIO lookup for consumer reset
>[ 1.481879] mdio_bus stmmac-2:01: using lookup tables for GPIO lookup
>[ 1.481881] mdio_bus stmmac-2:01: No GPIO consumer reset found
>[ 1.483206] Maxlinear Ethernet GPY215B stmmac-2:01: Firmware Version:
>0x8764 (release)
>
>[ 1.683631] Maxlinear Ethernet GPY215B stmmac-2:01: attached PHY driver
>(mii_bus:phy_addr=stmmac-2:01, irq=POLL)
>
>[ 1.749607] intel-eth-pci 0000:00:1d.2: stmmac_config_multi_msi: multi MSI
>enablement successful
>[ 1.749677] intel-eth-pci 0000:00:1d.2: User ID: 0x51, Synopsys ID: 0x52
>[ 1.749681] intel-eth-pci 0000:00:1d.2: DWMAC4/5
>[ 1.749688] intel-eth-pci 0000:00:1d.2: DMA HW capability register
>supported
>[ 1.749690] intel-eth-pci 0000:00:1d.2: RX Checksum Offload Engine
>supported
>[ 1.749692] intel-eth-pci 0000:00:1d.2: TX Checksum insertion supported
>[ 1.749693] intel-eth-pci 0000:00:1d.2: TSO supported
>[ 1.749694] intel-eth-pci 0000:00:1d.2: Enable RX Mitigation via HW
>Watchdog Timer
>[ 1.749701] intel-eth-pci 0000:00:1d.2: device MAC address
>a8:a1:59:9d:2b:46
>[ 1.749703] intel-eth-pci 0000:00:1d.2: Enabled L3L4 Flow TC (entries=2)
>[ 1.749705] intel-eth-pci 0000:00:1d.2: Enabled RFS Flow TC (entries=10)
>[ 1.749710] intel-eth-pci 0000:00:1d.2: Enabling HW TC (entries=256,
>max_off=256)
>[ 1.749712] intel-eth-pci 0000:00:1d.2: TSO feature enabled
>[ 1.749714] intel-eth-pci 0000:00:1d.2: Using 32 bits DMA width
>
>[ 1.749821] mdio_bus stmmac-3: GPIO lookup for consumer reset
>[ 1.749823] mdio_bus stmmac-3: using lookup tables for GPIO lookup
>[ 1.749825] mdio_bus stmmac-3: No GPIO consumer reset found
>[ 1.759184] mdio_bus stmmac-3:01: GPIO lookup for consumer reset
>[ 1.759188] mdio_bus stmmac-3:01: using lookup tables for GPIO lookup
>[ 1.759190] mdio_bus stmmac-3:01: No GPIO consumer reset found
>[ 1.760419] Maxlinear Ethernet GPY215B stmmac-3:01: Firmware Version:
>0x8764 (release)
>
>[ 2.025792] intel-eth-pci 0000:00:1e.4: stmmac_config_multi_msi: multi MSI
>enablement successful
>[ 2.025876] intel-eth-pci 0000:00:1e.4: User ID: 0x51, Synopsys ID: 0x52
>[ 2.025881] intel-eth-pci 0000:00:1e.4: DWMAC4/5
>[ 2.025887] sdhci-pci 0000:00:1a.1: No GPIO consumer (null) found
>[ 2.025888] intel-eth-pci 0000:00:1e.4: DMA HW capability register
>supported
>[ 2.025891] intel-eth-pci 0000:00:1e.4: RX Checksum Offload Engine
>supported
>[ 2.025893] intel-eth-pci 0000:00:1e.4: TX Checksum insertion supported
>[ 2.025894] intel-eth-pci 0000:00:1e.4: TSO supported
>[ 2.025896] intel-eth-pci 0000:00:1e.4: Enable RX Mitigation via HW
>Watchdog Timer
>[ 2.025913] intel-eth-pci 0000:00:1e.4: device MAC address
>a8:a1:59:9d:2b:7a
>[ 2.025915] intel-eth-pci 0000:00:1e.4: Enabled L3L4 Flow TC (entries=2)
>[ 2.025917] intel-eth-pci 0000:00:1e.4: Enabled RFS Flow TC (entries=10)
>[ 2.025924] intel-eth-pci 0000:00:1e.4: Enabling HW TC (entries=256,
>max_off=256)
>[ 2.025926] intel-eth-pci 0000:00:1e.4: TSO feature enabled
>[ 2.025928] intel-eth-pci 0000:00:1e.4: Using 40 bits DMA width
>[ 2.026024] mdio_bus stmmac-1: GPIO lookup for consumer reset
>[ 2.026027] mdio_bus stmmac-1: using lookup tables for GPIO lookup
>[ 2.026029] mdio_bus stmmac-1: No GPIO consumer reset found
>[ 2.035547] mdio_bus stmmac-1:01: GPIO lookup for consumer reset
>[ 2.035551] mdio_bus stmmac-1:01: using lookup tables for GPIO lookup
>[ 2.035553] mdio_bus stmmac-1:01: No GPIO consumer reset found
>[ 2.036905] Maxlinear Ethernet GPY215B stmmac-1:01: Firmware Version:
>0x8764 (release)
>
>[ 2.239477] Maxlinear Ethernet GPY215B stmmac-1:01: attached PHY driver
>(mii_bus:phy_addr=stmmac-1:01, irq=POLL)
>
>[ 2.305510] intel-eth-pci 0000:00:1d.2 eno2: renamed from eth1
>[ 2.315038] intel-eth-pci 0000:00:1d.1 eno1: renamed from eth0
>[ 2.320776] intel-eth-pci 0000:00:1e.4 eno3: renamed from eth2
>
>[ 4.098137] intel-eth-pci 0000:00:1d.1 eno1: Register
>MEM_TYPE_PAGE_POOL RxQ-0
>[ 4.098647] intel-eth-pci 0000:00:1d.1 eno1: Register
>MEM_TYPE_PAGE_POOL RxQ-1
>[ 4.099187] intel-eth-pci 0000:00:1d.1 eno1: Register
>MEM_TYPE_PAGE_POOL RxQ-2
>[ 4.099695] intel-eth-pci 0000:00:1d.1 eno1: Register
>MEM_TYPE_PAGE_POOL RxQ-3
>[ 4.100168] intel-eth-pci 0000:00:1d.1 eno1: Register
>MEM_TYPE_PAGE_POOL RxQ-4
>[ 4.100636] intel-eth-pci 0000:00:1d.1 eno1: Register
>MEM_TYPE_PAGE_POOL RxQ-5
>[ 4.101114] intel-eth-pci 0000:00:1d.1 eno1: Register
>MEM_TYPE_PAGE_POOL RxQ-6
>[ 4.101586] intel-eth-pci 0000:00:1d.1 eno1: Register
>MEM_TYPE_PAGE_POOL RxQ-7
>[ 4.111664] dwmac4: Master AXI performs any burst length
>[ 4.111750] intel-eth-pci 0000:00:1d.1 eno1: Enabling Safety Features
>[ 4.111795] intel-eth-pci 0000:00:1d.1 eno1: IEEE 1588-2008 Advanced
>Timestamp supported
>[ 4.111897] intel-eth-pci 0000:00:1d.1 eno1: registered PTP clock
>[ 4.112033] intel-eth-pci 0000:00:1d.1 eno1: FPE workqueue start
>[ 4.112037] intel-eth-pci 0000:00:1d.1 eno1: configuring for inband/sgmii
>link mode
>[ 4.113621] 8021q: adding VLAN 0 to HW filter on device eno1
>
>[ 4.118316] intel-eth-pci 0000:00:1d.2 eno2: Register
>MEM_TYPE_PAGE_POOL RxQ-0
>[ 4.118835] intel-eth-pci 0000:00:1d.2 eno2: Register
>MEM_TYPE_PAGE_POOL RxQ-1
>[ 4.119338] intel-eth-pci 0000:00:1d.2 eno2: Register
>MEM_TYPE_PAGE_POOL RxQ-2
>[ 4.119815] intel-eth-pci 0000:00:1d.2 eno2: Register
>MEM_TYPE_PAGE_POOL RxQ-3
>[ 4.120282] intel-eth-pci 0000:00:1d.2 eno2: Register
>MEM_TYPE_PAGE_POOL RxQ-4
>[ 4.120758] intel-eth-pci 0000:00:1d.2 eno2: Register
>MEM_TYPE_PAGE_POOL RxQ-5
>[ 4.121228] intel-eth-pci 0000:00:1d.2 eno2: Register
>MEM_TYPE_PAGE_POOL RxQ-6
>[ 4.121706] intel-eth-pci 0000:00:1d.2 eno2: Register
>MEM_TYPE_PAGE_POOL RxQ-7
>[ 4.131662] dwmac4: Master AXI performs any burst length
>[ 4.131744] intel-eth-pci 0000:00:1d.2 eno2: Enabling Safety Features
>[ 4.131790] intel-eth-pci 0000:00:1d.2 eno2: IEEE 1588-2008 Advanced
>Timestamp supported
>[ 4.131873] intel-eth-pci 0000:00:1d.2 eno2: registered PTP clock
>[ 4.132010] intel-eth-pci 0000:00:1d.2 eno2: FPE workqueue start
>[ 4.132016] intel-eth-pci 0000:00:1d.2 eno2: configuring for
>fixed/1000base-x link mode
>[ 4.133517] 8021q: adding VLAN 0 to HW filter on device eno2
>[ 4.133677] intel-eth-pci 0000:00:1d.2 eno2: Link is Up - 1Gbps/Full - flow
>control off
>[ 4.133687] IPv6: ADDRCONF(NETDEV_CHANGE): eno2: link becomes ready
>
>[ 4.138058] intel-eth-pci 0000:00:1e.4 eno3: Register
>MEM_TYPE_PAGE_POOL RxQ-0
>[ 4.138557] intel-eth-pci 0000:00:1e.4 eno3: Register
>MEM_TYPE_PAGE_POOL RxQ-1
>[ 4.139105] intel-eth-pci 0000:00:1e.4 eno3: Register
>MEM_TYPE_PAGE_POOL RxQ-2
>[ 4.139581] intel-eth-pci 0000:00:1e.4 eno3: Register
>MEM_TYPE_PAGE_POOL RxQ-3
>[ 4.140071] intel-eth-pci 0000:00:1e.4 eno3: Register
>MEM_TYPE_PAGE_POOL RxQ-4
>[ 4.140547] intel-eth-pci 0000:00:1e.4 eno3: Register
>MEM_TYPE_PAGE_POOL RxQ-5
>[ 4.141041] intel-eth-pci 0000:00:1e.4 eno3: Register
>MEM_TYPE_PAGE_POOL RxQ-6
>[ 4.141519] intel-eth-pci 0000:00:1e.4 eno3: Register
>MEM_TYPE_PAGE_POOL RxQ-7
>[ 4.151671] dwmac4: Master AXI performs any burst length
>[ 4.151751] intel-eth-pci 0000:00:1e.4 eno3: Enabling Safety Features
>[ 4.161830] intel-eth-pci 0000:00:1e.4 eno3: IEEE 1588-2008 Advanced
>Timestamp supported
>[ 4.161916] intel-eth-pci 0000:00:1e.4 eno3: registered PTP clock
>[ 4.162063] intel-eth-pci 0000:00:1e.4 eno3: FPE workqueue start
>[ 4.162069] intel-eth-pci 0000:00:1e.4 eno3: configuring for inband/sgmii
>link mode
>----------------------------------------------------------------------------------------------------------
>-
>
>Also, thanks to Emilio Riva from Ericsson who has been helping me in testing
>the patch
>on his system too.
>
>Reference:
>[1] https://patchwork.kernel.org/comment/24826650/
>[2] https://patchwork.kernel.org/comment/24827101/
>[3] https://www.kernel.org/doc/html/latest/firmware-
>guide/acpi/dsd/phy.html#mac-node-example-with-a-fixed-link-subnode
>[4] https://www.kernel.org/doc/html/latest/admin-
>guide/acpi/initrd_table_override.html
>
>Thanks
>Boon Leong
>
>Ong Boon Leong (7):
> net: pcs: xpcs: prepare xpcs_do_config to accept advertising input
> net: dsa: sja1105: update xpcs_do_config additional input
> stmmac: intel: prepare to support 1000BASE-X phy interface setting
> net: pcs: xpcs: add CL37 1000BASE-X AN support
> net: phylink: unset ovr_an_inband if fixed-link is selected
> stmmac: intel: add phy-mode ACPI _DSD setting support
> net: stmmac: make mdio register skips PHY scanning for fixed-link
>
> drivers/net/dsa/sja1105/sja1105_main.c | 2 +-
> .../net/ethernet/stmicro/stmmac/dwmac-intel.c | 19 +-
> .../net/ethernet/stmicro/stmmac/stmmac_main.c | 11 +-
> .../net/ethernet/stmicro/stmmac/stmmac_mdio.c | 14 ++
> drivers/net/pcs/pcs-xpcs.c | 186 +++++++++++++++++-
> drivers/net/phy/phylink.c | 4 +-
> include/linux/pcs/pcs-xpcs.h | 3 +-
> 7 files changed, 226 insertions(+), 13 deletions(-)
>
>--
>2.25.1
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