RE: [PATCH v4] net/ixgbe: retry SFP ID read to handle misbehaving SFPs

> -Original Message- > From: je...@silicom-usa.com > Sent: Friday, March 25, 2022 17:54 > To: dev@dpdk.org > Cc: Stephen Douthit ; Daly, Jeff > ; Wang, Haiyue > > Subject: [PATCH v4] net/ixgbe: retry SFP ID read to handle misbehaving SFPs > > From: Step

[PATCH v4] net/ixgbe: retry SFP ID read 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