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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Aquantia PHY in OCSGMII mode? 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X-MS-Exchange-CrossPremises-SCL: 1 X-MS-Exchange-CrossPremises-Processed-By-Journaling: Journal Agent X-OrganizationHeadersPreserved: PAXP192MB1584.EURP192.PROD.OUTLOOK.COM X-Authority-Analysis: v=2.4 cv=JeO8rVKV c=1 sm=1 tr=0 ts=6891ba05 cx=c_pps a=qOIXlmJt9mzowr3NHK3Qvg==:117 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=2OwXVqhp2XgA:10 a=8gLI3H-aZtYA:10 a=Yi-vpBeI7XLzyeBKmhcA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-ORIG-GUID: xd9HlDxH9b29nb8nIouyG2KuSdrW4aF6 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODA1MDA1NyBTYWx0ZWRfX/r65efFggcKZ Q4KWA4gNHgFNaFuoTTRmE6M8/bD3bcfOkkMaPPSUvtexfUv1858SgT6OMyWw3DtIFhvUOPX3lQa j3L3OTPhpvf3W2Qnke1DRNBN/2px/7gDxcemLwkj9Myj1oP+6igaQV/rbEave7KiAk/Q/6dmKLJ pgtulG2FaaMbnCE9HlLiNfdRvfIso4WbTsqa295jkeJiO9Bdc8PwlmKtL+sge/KI0BExuH6kGsd I3O0Es94FrVrTyFID+/H07C+bt3+xo0f49SrquJfuwTzohF+tMt1f0cc7y0Ukk0c+Txksd3odpG g+Z8bWT921ebt0wSoI1OI0PVxI/sMHLUjbzz0D65xhs1WbbgaK8AjDEJninCFI= X-Proofpoint-GUID: xd9HlDxH9b29nb8nIouyG2KuSdrW4aF6 Am Mon, Aug 04, 2025 at 07:02:34PM +0300 schrieb Vladimir Oltean: > On Mon, Aug 04, 2025 at 07:00:37PM +0300, Vladimir Oltean wrote: > > Can you apply the following patch, which adds support for ethtool > > counters coming from the mEMAC, and dump them? > > > > ethtool -S eth0 --groups eth-mac eth-phy eth-ctrl rmon | grep -v ': 0' > > I forgot to mention how to show flow control counters: > > ethtool -I --show-pause eth0 Hi Vladimir, Thank you for providing the patch. I was able to apply it successfully and retrieve the desired statistics using the following command: user@host-A:~# ethtool -S eth0 --groups eth-mac eth-phy eth-ctrl rmon | grep -v ': 0' && ethtool --phy-statistics eth0 | grep -v ': 0' && ethtool -I --show-pause eth0 Standard stats for eth0: eth-mac-FramesTransmittedOK: 2188 eth-mac-OctetsTransmittedOK: 337884 eth-mac-MulticastFramesXmittedOK: 76 eth-mac-BroadcastFramesXmittedOK: 2112 tx-rmon-etherStatsPkts64to64Octets: 16 tx-rmon-etherStatsPkts65to127Octets: 1587 tx-rmon-etherStatsPkts128to255Octets: 63 tx-rmon-etherStatsPkts256to511Octets: 522 PHY statistics: sgmii_rx_good_frames: 20785 sgmii_rx_false_carrier_events: 1 sgmii_tx_good_frames: 21120 sgmii_tx_bad_frames: 52 Pause parameters for eth0: Autonegotiate: on RX: off TX: off RX negotiated: on TX negotiated: on Statistics: tx_pause_frames: 0 rx_pause_frames: 0 I have a ping running in the background and can observe that MAC frames and TX-RMON packets are continuously increasing. However, the PHY statistics remain unchanged. I suspect the current SGMII frames originate from U-Boot, as I load the firmware image via `netboot`. These statistics were recorded at 2.5G speed, but the same behavior is also visible at 1G. Do you think the issue still lies within the MAC driver, or could it be related to the Aquantia driver or firmware? Best regards, Alexander Wilhelm