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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: GV2P192MB2663.EURP192.PROD.OUTLOOK.COM X-Proofpoint-GUID: MoFSlTOVrmnH6Z1BLWBs1UjaY6ATb4-P X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODAxMDA4OSBTYWx0ZWRfXweRUEqNkNY01 kU/wLPQX3k19A3hX6g8eidMVTzE4q/M1449kB0CuOQY36MmYvzPR8E+3JxgU1pSN6Qk2s1xDgCd RNv9xMqEL1K+NXkqdlwVSrtLIYXGqE8U5e6AnnShbmHIsLQYH7ZcDYyq4aUrZDSciaEs9rNNF1U YzbR36H0AVA8X+JaZPKTTQ+iRKHwYOFpjf98BnVor8WjjhaM+IcX8/tF4vTE3MGxPaSjTOPKXIS 1B7jboTGD3Wn4vcwOjHwRClcSGaGLHKCYojFK5emAc14kg/TcAADeXpz+i3TPr/C5ZUEov69T4E nKRpdhhKE8nSZF289YxwWhokXizncsH4WENNsMvwO9A6gQneZp7J2ZnaAd2xVY= X-Authority-Analysis: v=2.4 cv=IaeHWXqa c=1 sm=1 tr=0 ts=688caafc cx=c_pps a=1Un7+LruITlTKEh0Q+cszw==: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=n9WDw6XJi7PglbCx_EAA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-ORIG-GUID: MoFSlTOVrmnH6Z1BLWBs1UjaY6ATb4-P Am Fri, Aug 01, 2025 at 02:01:06PM +0300 schrieb Vladimir Oltean: > On Thu, Jul 31, 2025 at 08:26:43PM +0100, Russell King (Oracle) wrote: > > and this works. So... we could actually reconfigure the PHY independent > > of what was programmed into the firmware. > > It does work indeed, the trouble will be adding this code to the common > mainline kernel driver and then watching various boards break after their > known-good firmware provisioning was overwritten, from a source of unknown > applicability to their system. You're right. I've now selected a firmware that uses a different provisioning table, which already configures the PHY for 2500BASE-X with Flow Control. According to the documentation, it should support all modes: 10M, 100M, 1G, and 2.5G. It seems the issue lies with the MAC, as it doesn't appear to handle the configured PHY_INTERFACE_MODE_2500BASEX correctly. I'm currently investigating this further. Best regards Alexander Wilhelm