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

> -Original Message- > From: je...@silicom-usa.com > Sent: Tuesday, March 8, 2022 06:34 > To: dev@dpdk.org > Cc: Stephen Douthit ; Daly, Jeff > ; Wang, Haiyue > > Subject: [PATCH] net/ixgbe: Retry SFP ID read field to handle misbehaving SFPs > > From: Step

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

> -Original Message- > From: je...@silicom-usa.com > Sent: Tuesday, March 8, 2022 06:34 > To: dev@dpdk.org > Cc: Stephen Douthit ; Daly, Jeff > ; Wang, Haiyue > > Subject: [PATCH] net/ixgbe: Retry SFP ID read field to handle misbehaving SFPs > > From: Step

[PATCH] 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