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Message-ID: <BN0PR08MB69518870AA35A6A82088736383D79@BN0PR08MB6951.namprd08.prod.outlook.com>
Date:   Tue, 24 May 2022 12:34:38 +0000
From:   "Pighin, Anthony (Nokia - CA/Ottawa)" <anthony.pighin@...ia.com>
To:     "Shyam-sundar.S-k@....com" <Shyam-sundar.S-k@....com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "thomas.lendacky@....com" <thomas.lendacky@....com>
CC:     "Pighin, Anthony (Nokia - CA/Ottawa)" <anthony.pighin@...ia.com>
Subject: Re: PROBLEM: XGBE unable to autoneg when advertising only 1GbE KX
 mode

[    6.554938] xgbe_pci_probe:261: amd-xgbe 0000:0d:00.7: xgmac_regs = 0000000094e72ff0
[    6.554941] xgbe_pci_probe:262: amd-xgbe 0000:0d:00.7: xprop_regs = 0000000052e3fd4b
[    6.554942] xgbe_pci_probe:263: amd-xgbe 0000:0d:00.7: xi2c_regs  = 000000001de70eb6
[    6.554943] xgbe_pci_probe:273: amd-xgbe 0000:0d:00.7: xpcs_regs  = 000000008a626609
[    6.554947] xgbe_pci_probe:295: amd-xgbe 0000:0d:00.7: xpcs window def  = 0x00009060
[    6.554948] xgbe_pci_probe:297: amd-xgbe 0000:0d:00.7: xpcs window sel  = 0x00009064
[    6.554949] xgbe_pci_probe:299: amd-xgbe 0000:0d:00.7: xpcs window      = 0x0000b000
[    6.554951] xgbe_pci_probe:301: amd-xgbe 0000:0d:00.7: xpcs window size = 0x00001000
[    6.554952] xgbe_pci_probe:303: amd-xgbe 0000:0d:00.7: xpcs window mask = 0x00000fff
[    6.554958] xgbe_pci_probe:345: amd-xgbe 0000:0d:00.7: port property 0 = 0x45000103
[    6.554959] xgbe_pci_probe:346: amd-xgbe 0000:0d:00.7: port property 1 = 0x02020202
[    6.554960] xgbe_pci_probe:347: amd-xgbe 0000:0d:00.7: port property 2 = 0x00040004
[    6.554962] xgbe_pci_probe:348: amd-xgbe 0000:0d:00.7: port property 3 = 0x0000a100
[    6.554963] xgbe_pci_probe:349: amd-xgbe 0000:0d:00.7: port property 4 = 0x00000000
[    6.554964] xgbe_pci_probe:362: amd-xgbe 0000:0d:00.7: max tx/rx channel count = 2/2
[    6.554965] xgbe_pci_probe:365: amd-xgbe 0000:0d:00.7: max tx/rx hw queue count = 2/2
[    6.554969] xgbe_get_all_hw_features:831: amd-xgbe 0000:0d:00.7: Hardware features:
[    6.554971] xgbe_get_all_hw_features:834: amd-xgbe 0000:0d:00.7:   1GbE support              : yes
[    6.554972] xgbe_get_all_hw_features:836: amd-xgbe 0000:0d:00.7:   VLAN hash filter          : yes
[    6.554973] xgbe_get_all_hw_features:838: amd-xgbe 0000:0d:00.7:   MDIO interface            : yes
[    6.554974] xgbe_get_all_hw_features:840: amd-xgbe 0000:0d:00.7:   Wake-up packet support    : no
[    6.554975] xgbe_get_all_hw_features:842: amd-xgbe 0000:0d:00.7:   Magic packet support      : no
[    6.554977] xgbe_get_all_hw_features:844: amd-xgbe 0000:0d:00.7:   Management counters       : yes
[    6.554978] xgbe_get_all_hw_features:846: amd-xgbe 0000:0d:00.7:   ARP offload               : yes
[    6.554979] xgbe_get_all_hw_features:848: amd-xgbe 0000:0d:00.7:   IEEE 1588-2008 Timestamp  : yes
[    6.554980] xgbe_get_all_hw_features:850: amd-xgbe 0000:0d:00.7:   Energy Efficient Ethernet : yes
[    6.554981] xgbe_get_all_hw_features:852: amd-xgbe 0000:0d:00.7:   TX checksum offload       : yes
[    6.554983] xgbe_get_all_hw_features:854: amd-xgbe 0000:0d:00.7:   RX checksum offload       : yes
[    6.554984] xgbe_get_all_hw_features:856: amd-xgbe 0000:0d:00.7:   Additional MAC addresses  : 31
[    6.554985] xgbe_get_all_hw_features:858: amd-xgbe 0000:0d:00.7:   Timestamp source          : internal/external
[    6.554986] xgbe_get_all_hw_features:862: amd-xgbe 0000:0d:00.7:   SA/VLAN insertion         : yes
[    6.554988] xgbe_get_all_hw_features:864: amd-xgbe 0000:0d:00.7:   VXLAN/NVGRE support       : yes
[    6.554989] xgbe_get_all_hw_features:868: amd-xgbe 0000:0d:00.7:   RX fifo size              : 65536
[    6.554990] xgbe_get_all_hw_features:870: amd-xgbe 0000:0d:00.7:   TX fifo size              : 65536
[    6.554991] xgbe_get_all_hw_features:872: amd-xgbe 0000:0d:00.7:   IEEE 1588 high word       : yes
[    6.554993] xgbe_get_all_hw_features:874: amd-xgbe 0000:0d:00.7:   DMA width                 : 48
[    6.554994] xgbe_get_all_hw_features:876: amd-xgbe 0000:0d:00.7:   Data Center Bridging      : yes
[    6.554995] xgbe_get_all_hw_features:878: amd-xgbe 0000:0d:00.7:   Split header              : yes
[    6.554996] xgbe_get_all_hw_features:880: amd-xgbe 0000:0d:00.7:   TCP Segmentation Offload  : yes
[    6.554997] xgbe_get_all_hw_features:882: amd-xgbe 0000:0d:00.7:   Debug memory interface    : yes
[    6.554999] xgbe_get_all_hw_features:884: amd-xgbe 0000:0d:00.7:   Receive Side Scaling      : yes
[    6.555000] xgbe_get_all_hw_features:886: amd-xgbe 0000:0d:00.7:   Traffic Class count       : 2
[    6.555002] xgbe_get_all_hw_features:888: amd-xgbe 0000:0d:00.7:   Hash table size           : 256
[    6.555003] xgbe_get_all_hw_features:890: amd-xgbe 0000:0d:00.7:   L3/L4 Filters             : 8
[    6.555004] xgbe_get_all_hw_features:894: amd-xgbe 0000:0d:00.7:   RX queue count            : 2
[    6.555005] xgbe_get_all_hw_features:896: amd-xgbe 0000:0d:00.7:   TX queue count            : 2
[    6.555007] xgbe_get_all_hw_features:898: amd-xgbe 0000:0d:00.7:   RX DMA channel count      : 2
[    6.555008] xgbe_get_all_hw_features:900: amd-xgbe 0000:0d:00.7:   TX DMA channel count      : 2
[    6.555009] xgbe_get_all_hw_features:902: amd-xgbe 0000:0d:00.7:   PPS outputs               : 0
[    6.555010] xgbe_get_all_hw_features:904: amd-xgbe 0000:0d:00.7:   Auxiliary snapshot inputs : 0
[    6.555011] xgbe_set_counts:255: amd-xgbe 0000:0d:00.7: TX/RX DMA channel count = 2/2
[    6.555013] xgbe_set_counts:257: amd-xgbe 0000:0d:00.7: TX/RX hardware queue count = 2/2
[    6.555014] xgbe_pci_probe:384: amd-xgbe 0000:0d:00.7: max tx/rx max fifo size = 65536/65536
[    6.555115] xgbe_config_multi_msi:158: amd-xgbe 0000:0d:00.7: multi MSI-X interrupts enabled
[    6.555118] xgbe_config_irqs:196: amd-xgbe 0000:0d:00.7:  dev irq=108
[    6.555119] xgbe_config_irqs:197: amd-xgbe 0000:0d:00.7:  ecc irq=109
[    6.555121] xgbe_config_irqs:198: amd-xgbe 0000:0d:00.7:  i2c irq=110
[    6.555122] xgbe_config_irqs:199: amd-xgbe 0000:0d:00.7:   an irq=111
[    6.555124] xgbe_config_irqs:201: amd-xgbe 0000:0d:00.7:  dma0 irq=112
[    6.555125] xgbe_config_irqs:201: amd-xgbe 0000:0d:00.7:  dma1 irq=113
[    6.555167] xgbe_config_netdev:319: amd-xgbe 0000:0d:00.7: adjusted TX/RX DMA channel count = 2/2
[    6.555175] xgbe_i2c_get_features:359: amd-xgbe 0000:0d:00.7: I2C features: MAX_SPEED_MODE=2, RX_BUFFER_DEPTH=15, TX_BUFFER_DEPTH=15
[    6.555181] xgbe_phy_init:3183: amd-xgbe 0000:0d:00.7: port mode=1
[    6.555183] xgbe_phy_init:3184: amd-xgbe 0000:0d:00.7: port id=3
[    6.555185] xgbe_phy_init:3185: amd-xgbe 0000:0d:00.7: port speeds=0xa
[    6.555188] xgbe_phy_init:3186: amd-xgbe 0000:0d:00.7: conn type=4
[    6.555189] xgbe_phy_init:3187: amd-xgbe 0000:0d:00.7: mdio addr=0
[    6.555191] xgbe_phy_init:3381: amd-xgbe 0000:0d:00.7: phy supported=0x0000000,00000000,001b6040
[    6.555402] xgbe_dump_phy_registers:1511: amd-xgbe 0000:0d:00.7:
[    6.555407] xgbe_dump_phy_registers:1513: amd-xgbe 0000:0d:00.7: PCS Control Reg (0x0000) = 0x0440
[    6.555412] xgbe_dump_phy_registers:1515: amd-xgbe 0000:0d:00.7: PCS Status Reg (0x0001) = 0x00c2
[    6.555416] xgbe_dump_phy_registers:1517: amd-xgbe 0000:0d:00.7: Phy Id (PHYS ID 1 0x0002)= 0x6000
[    6.555421] xgbe_dump_phy_registers:1519: amd-xgbe 0000:0d:00.7: Phy Id (PHYS ID 2 0x0003)= 0x02f0
[    6.555425] xgbe_dump_phy_registers:1521: amd-xgbe 0000:0d:00.7: Devices in Package (0x0005)= 0x008a
[    6.555429] xgbe_dump_phy_registers:1523: amd-xgbe 0000:0d:00.7: Devices in Package (0x0006)= 0xc000
[    6.555433] xgbe_dump_phy_registers:1526: amd-xgbe 0000:0d:00.7: Auto-Neg Control Reg (0x0000) = 0x3000
[    6.555438] xgbe_dump_phy_registers:1528: amd-xgbe 0000:0d:00.7: Auto-Neg Status Reg (0x0001) = 0x0008
[    6.555442] xgbe_dump_phy_registers:1530: amd-xgbe 0000:0d:00.7: Auto-Neg Ad Reg 1 (0x0010) = 0x0001
[    6.555446] xgbe_dump_phy_registers:1533: amd-xgbe 0000:0d:00.7: Auto-Neg Ad Reg 2 (0x0011) = 0x00a0
[    6.555451] xgbe_dump_phy_registers:1536: amd-xgbe 0000:0d:00.7: Auto-Neg Ad Reg 3 (0x0012) = 0x0000
[    6.555456] xgbe_dump_phy_registers:1539: amd-xgbe 0000:0d:00.7: Auto-Neg Completion Reg (0x0030) = 0x0001
[    6.555458] xgbe_dump_phy_registers:1543: amd-xgbe 0000:0d:00.7:
[    6.556126] xgbe_config_netdev:407: amd-xgbe 0000:0d:00.7 eth3: 2 Tx software queues
[    6.556130] xgbe_config_netdev:409: amd-xgbe 0000:0d:00.7 eth3: 2 Rx software queues
[    6.556132] amd-xgbe 0000:0d:00.7 eth3: net device enabled
[    8.483462] amd-xgbe 0000:0d:00.7 bp3: renamed from eth3

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