RE: [PATCH v2] net/ixgbe: Retry SFP ID read field to handle misbehaving SFPs

> -Original Message- > From: je...@silicom-usa.com > Sent: Tuesday, March 22, 2022 23:24 > To: dev@dpdk.org > Cc: Stephen Douthit ; Daly, Jeff > ; Wang, Haiyue > > Subject: [PATCH v2] net/ixgbe: Retry SFP ID read field to handle misbehaving > SFPs > >

[PATCH v2] net/ixgbe: Retry SFP ID read field to handle misbehaving SFPs

From: Stephen Douthit Some XGS-PON SFPs have been observed ACKing I2C reads and returning uninitialized garbage while their uC boots. This can lead to the SFP ID code marking an otherwise working SFP module as unsupported if a bogus ID value is read while its internal PHY/microcontroller is stil